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Understanding Obsessive-Compulsive Personality Disorder Through the Lens of Psychology, Neuroscience, and Islamic Principles
Ayman Al-Taher, RP
Imam, Registered Psychotherapist, Islamic Scholar, MBCT-Certified Practitioner
Al-Iman Family Services (AIFS), Mississauga, Ontario
| Abstract Obsessive-Compulsive Personality Disorder (OCPD) is one of the most prevalent and least recognised personality disorders in clinical practice. Its hallmarks include pervasive perfectionism, rigid rule-following, an inability to delegate, and an inflexible moral framework that the individual experiences not as distressing but as correct. Within Muslim communities, OCPD presents particular diagnostic complexity: its features can be easily misread as expressions of Islamic piety, disciplined character, or cultural conscientiousness. This article offers an integrated clinical and theological examination of OCPD, drawing on DSM-5 diagnostic criteria, neurobiological research, gender-differentiated presentations, and the Islamic principles of wasatiyyah (moderation), tawakkul (reliance on Allah), and rifq (gentleness). It argues that authentic Islamic teachings do not endorse the OCPD way of being; on the contrary, the Quran and prophetic tradition provide a direct and coherent challenge to the disorder’s core distortions. |
Consider the following scenes, each drawn from patterns common in clinical and religious community settings.
A husband and father of two describes himself as someone who simply has principles. In his view, a thing is either done correctly or it is not done. There is no middle ground, no room for context, and no space for interpretation. When his wife serves dinner five minutes later than the agreed time, he does not adjust. He sits at the table in silence and waits, and the silence is not neutral. His children have learned to read his face before they speak. When a family discussion arises, perhaps about a holiday plan or a change to the weekend schedule, he engages with each word of it as though it were a legal document. A casual remark from his wife that she ‘might’ prefer one option is treated as a firm commitment she is now failing to honour. His children choose their words with extraordinary care around him. His wife reports that she feels she is always one misplaced sentence away from a conflict she did not intend to start. She describes living in the household as ‘like walking on glass all day.’ He reports that he simply has standards, and that if the family were more consistent, there would be far less tension.
A thirteen-year-old boy is brought to assessment by his parents, who describe a household that has reorganised itself around managing his reactions. He is a gifted student, meticulous in his schoolwork, and deeply concerned with fairness and rules. He is also, his parents report, impossible to live with. When a family conversation takes place, he listens to every word with an intensity that other family members find exhausting. If his mother says they will leave at three o’clock and they leave at three-fifteen, he does not let it go. He reminds her of the discrepancy. He logs it. He references it later as evidence of a pattern. If his younger sister completes a shared household chore in a way that does not match his standard, the resulting distress is immediate and visible: raised voice, withdrawal, sometimes tears. He does not understand why the family cannot simply agree to a rule and follow it. In his mind, the rule exists, the violation is clear, and the emotional response is proportionate. His family does not experience it this way. His sister has begun avoiding shared spaces when he is home. His parents arrive at the clinic visibly fatigued, and describe their son as a child they love deeply and find, on many days, genuinely frightening to parent.
A professional woman in her late thirties cannot submit any work product without revising it repeatedly. She stays at the office until nine or ten at night regularly, not because the work demands it, but because she cannot locate the point at which it is finished. Her colleagues consider her extraordinarily capable. Her husband reports that she has not taken a day off in three years and that she applies the same standards to the management of their home.
A community leader volunteers tirelessly for Islamic organisation work but finds himself unable to assign any significant task to another person. He has done the work of five volunteers for a decade. He is exhausted, resentful, and convinced that if he delegates, the standards will fall.
None of these individuals considers their approach a problem. Each would describe it as dedication, responsibility, or Islamic diligence. Each would be surprised, and likely resistant, to the suggestion that their pattern of functioning is a diagnosable personality disorder that is causing measurable harm to themselves and to those closest to them.
This is the defining clinical challenge of Obsessive-Compulsive Personality Disorder: the people who have it are among the last to recognise it, because the disorder is ego-syntonic. It feels right. It feels virtuous. It feels like the only reasonable way to operate in a world full of people who are not trying hard enough.
This article examines OCPD from three complementary perspectives: clinical psychology and the DSM-5 diagnostic framework, the emerging neuroscience of perfectionism and cognitive rigidity, and the Islamic tradition, which offers a rich and largely untapped set of resources for challenging the disorder’s core beliefs at their deepest level.
Obsessive-Compulsive Personality Disorder is classified in the DSM-5 as a Cluster C personality disorder, meaning it belongs to the group characterised primarily by anxious and fearful features, alongside Avoidant Personality Disorder and Dependent Personality Disorder. It is one of the most prevalent personality disorders in the general population, with estimated rates ranging from 2.1% to 7.9%, and it is diagnosed more frequently in men, though as this article will discuss, its presentation in women is often clinically distinct and systematically underrecognised.1
The DSM-5 diagnostic criteria require four or more of the following eight features, representing a pervasive and enduring pattern that is stable across time and contexts rather than a response to specific situational stress.2
The feature that most distinguishes OCPD from other presentations of anxiety or perfectionism is the quality of ego-syntonicity. The OCPD individual does not experience their pattern as a problem. They experience it as a standard. The source of their suffering, when it is acknowledged at all, is located externally: in colleagues who cut corners, in spouses who are careless, in children who cannot meet the bar, in a world that consistently fails to operate with sufficient precision. The person with OCPD is not tormented by their perfectionism; they are tormented by everyone else’s imperfection.
| Prevalence and Clinical Significance OCPD affects an estimated 2 to 8 percent of the general population, making it one of the most common personality disorders. It is the most frequently diagnosed personality disorder in clinical outpatient settings. Despite this prevalence, it is consistently underidentified because its core features are culturally valued: hard work, conscientiousness, moral seriousness, and high standards. The disorder does not announce itself as pathology. It announces itself as virtue. |
The naming overlap between Obsessive-Compulsive Disorder and Obsessive-Compulsive Personality Disorder is a persistent source of confusion for both clients and clinicians. They are distinct conditions with different diagnostic categories, different phenomenologies, different treatment approaches, and only a partial neurobiological overlap.3 The following comparison clarifies the key differences.
| Feature | OCPD (Personality Disorder) | OCD (Anxiety Disorder) |
| Nature | Enduring personality pattern; ego-syntonic (feels right) | Episodic condition; ego-dystonic (feels wrong and unwanted) |
| Insight | Person believes their standards are correct and superior | Person recognises their thoughts as irrational and intrusive |
| Distress | Distress is caused by others who fail to meet their standards | Distress comes from the intrusive thoughts and compulsions themselves |
| Flexibility | Rigid rules feel logical and necessary | Compulsions feel forced and unwanted |
| Primary Treatment | Psychotherapy (CBT, psychodynamic, schema therapy) | Exposure and Response Prevention (ERP); SSRIs |
| Help-Seeking | Rarely voluntary; usually prompted by relationship crisis | Often self-motivated due to significant personal distress |
The most clinically significant distinction is the ego-syntonicity axis. The person with OCD typically experiences their intrusive thoughts as foreign, repugnant, and alien to their values. They want to stop the cycle and cannot. The person with OCPD experiences their rigidity as logical, correct, and morally superior. They do not want to stop; they want everyone else to comply. This distinction drives profoundly different therapeutic dynamics and determines the level of motivation for change.
The neurobiological basis of OCPD is an active area of research, and while the science is less consolidated than for OCD, a coherent picture is emerging that has direct clinical implications.4
Several consistent neurological findings characterise OCPD. Individuals with OCPD show elevated activity in the orbitofrontal cortex (OFC), a region involved in rule-learning, reward processing, and the evaluation of outcomes against internal standards. When the OFC is hyperactive, the brain continuously scans for discrepancies between the actual state of the environment and the person’s internal template of how things should be. The result is a pervasive, exhausting alertness to every deviation from order.
Research using neuropsychological testing also demonstrates reduced cognitive flexibility in individuals with OCPD. Set-shifting tasks, which require the person to abandon a learned rule and adopt a new one when circumstances change, are significantly more difficult for OCPD individuals than for matched controls.5 This is not stubbornness in the colloquial sense; it is a measurable reduction in the brain’s capacity to update behavioural rules in response to changing conditions.
The prefrontal cortex plays a central regulatory role in inhibitory control, the capacity to pause, evaluate, and override habitual responses. In OCPD, the interaction between an overactive OFC (generating constant error signals about imperfection) and dysregulated inhibitory function (making it difficult to dismiss those signals and move forward) creates the characteristic clinical picture of a person who is both driven to achieve and unable to experience the achievement as complete.
Serotonin and dopamine pathways are also implicated. The dopaminergic reward system, which normally generates a sense of completion and satisfaction when a task is finished, appears to function with a chronically elevated threshold in OCPD: the sense of ‘done’ is elusive or absent, driving further effort, further revision, and further extension of already excessive standards. The person works harder and harder for a reward signal that never fully arrives.6
| Clinical Implication: The Exhaustion Beneath the Productivity One of the most overlooked features of OCPD is the physical and psychological exhaustion it generates. The brain of the person with OCPD is running a continuous audit of every environment they occupy, every task they are performing, and every other person in their orbit. This is neurologically expensive. The high productivity and apparent capability that OCPD displays in the short term is often sustained at significant cost to physical health, sleep, leisure, and relational intimacy. The crash, when it comes, is often precipitated by a life event that removes the person’s capacity to maintain control: illness, job loss, a child leaving home, or the demands of marriage. |
OCPD is diagnosed more frequently in men than in women, at a ratio of approximately 2 to 1 in clinical samples.7 However, there is substantial evidence that this disparity reflects diagnostic bias rather than true prevalence differences. OCPD presents differently across genders in ways that make the disorder more visible in men and more easily attributed to cultural or personal character in women. Understanding these differences is clinically essential, particularly within Muslim communities where gender-differentiated expectations are culturally explicit.
In men, OCPD tends to manifest in domains that are socially visible: workplace perfectionism and excessive working hours, the management of finances with rigidity and hoarding, insistence on controlling household decisions and physical environments, inflexibility about how tasks are performed by family members and subordinates, and a moralistic stance that is often expressed through open criticism of others’ shortcomings.
In the marital context, OCPD in men frequently presents as a profound difficulty with delegation, which extends to parenting. The OCPD husband cannot trust that his wife is managing the household correctly. He cannot accept that his children will do tasks adequately without his supervision. He may be deeply invested in the family’s Islamic practice but experience that investment through a lens of monitoring and correction rather than nurture and shared growth.
Clinically, men with OCPD are more likely to be referred by spouses, employers, or courts than to self-refer. They are also more likely to initially present the problem as belonging to the other person: the wife who is disorganised, the employees who are incompetent, the children who do not take their deen seriously. The therapeutic task of building sufficient insight for engagement is often the primary challenge in early treatment.
In women, OCPD more commonly manifests as internalised perfectionism that is applied with particular intensity to the self. The woman with OCPD may present to a clinician not with complaints about others’ failures but with her own sense of never being enough, of being perpetually behind, of an inability to rest because there is always more to do. The external control that characterises male OCPD presentations is turned inward.
This distinction has a significant diagnostic consequence. Female OCPD is frequently misdiagnosed as anxiety disorder, generalised anxiety disorder, burnout, or depression, because the presentation emphasises subjective suffering rather than interpersonal conflict. The perfectionism is read as conscientiousness. The overwork is attributed to the genuine demands of managing a family. The inability to delegate is seen as an appropriate response to a world where others genuinely do not meet her standards.
Within Muslim communities, this misattribution is compounded by religious and cultural frameworks that can frame the female OCPD pattern as ideal wifely and maternal devotion. A woman who maintains the home to exacting standards, who never permits herself rest until all duties are complete, who monitors her children’s Islamic practice with unrelenting thoroughness, may receive community validation rather than clinical concern. The disorder is performing, in public, as virtue.
The relational cost, however, is significant and shared across genders. Partners of individuals with OCPD, regardless of the gender configuration, consistently report feeling criticised, controlled, unable to do anything correctly, and disconnected from the warmth and spontaneity that sustain intimate relationships. Children raised in households where one or both parents have OCPD frequently report elevated anxiety, fear of making mistakes, difficulty with autonomous decision-making, and a complex relationship with achievement and performance.8
| A Clinical Note on Children in OCPD Households Children do not develop OCPD through genetic transmission alone; they also learn it. When a child grows up in an environment where mistakes are met with visible distress, where rules are enforced without flexibility, and where the parent’s approval is contingent on performance rather than presence, they internalise a corresponding cognitive template. The children of OCPD parents are at elevated risk for anxiety disorders, perfectionism, and OCPD itself. Early psychoeducation for the family system is a meaningful preventive intervention. |
The following composite vignettes are drawn from patterns common in clinical practice within Muslim communities. All identifying details are fictional; the clinical dynamics are representative.
Tariq is a 44-year-old accountant who presents at the request of his wife, who has threatened separation. He is a regular attendee at the local masjid, known for his meticulousness in Quran recitation and his extensive voluntary work for the Islamic school. At home, he manages every financial decision, checks every receipt, and has a written schedule for the household that he expects to be followed without variation. His wife has not been permitted to cook in the kitchen without his oversight for most of their eleven-year marriage, because she does not wash the vegetables to his standard.
He reports that he works between 55 and 65 hours per week and has not taken a full day off in four years. He sleeps approximately five hours per night. He is in excellent physical health by standard measures and considers himself a responsible provider and a committed Muslim. He does not drink, does not socialise irresponsibly, and maintains all his religious obligations. He is genuinely puzzled that his wife is unhappy.
In session, Tariq identifies the problem as his wife’s lack of discipline and his children’s unwillingness to meet reasonable expectations. He is a highly intelligent man, articulate and self-reflective in a narrow sense, but initially unable to consider that his standards might be the variable requiring examination. He has never been assessed or treated for a mental health condition. He does not consider himself to have one.
Amina is a 38-year-old teacher and mother of four who presents with burnout and insomnia. She describes herself as someone who simply has high standards and who has been unable to find anyone, including her husband, who is willing to match them. She wakes at 4:30 each morning and is typically in bed by midnight, having never experienced a point in the evening at which she feels the household duties are complete.
She has rewritten the same unit plan for her school class seven times in the past month. She has been passed over for a promotion she wanted because her supervisor noted that she has difficulty meeting deadlines and frequently submits work significantly after the agreed time, despite its exceptional quality. She checks her children’s homework multiple times per evening. Her youngest child, aged six, has begun showing significant separation anxiety.
Amina’s presenting concern is fatigue and low mood. She attributes the fatigue to not trying hard enough. When the therapist gently notes the volume of her output, she becomes tearful and explains that if she were a better Muslim, a better mother, and a better teacher, she would manage all of it without complaint. She does not conceptualise her pattern as a disorder. She conceptualises it as a deficit of character.
One of the most clinically significant resources available for Muslim individuals with OCPD is the recognition that authentic Islamic teaching does not validate, endorse, or model the OCPD way of being. On the contrary, the Quran and the Sunnah provide a sustained and coherent counter-narrative to virtually every core feature of the disorder.
This is not a therapeutic accommodation of Islam. It is a recovery of what the tradition actually teaches, from beneath the layer of cultural perfectionism and religious over-scrupulosity that can, in Muslim communities, give OCPD the appearance of piety.
| وكذلك جعلناكم أمة وسطا Al-Baqarah 2:143 “And thus We have made you a community of the middle way.” |
Allah describes the Muslim ummah not as a community of the maximum, but of the middle. Wasatiyyah is not a concession to human weakness; it is a divine design. The classical scholars understood this as a command: the Muslim is to avoid extremes in all directions, in worship, in discipline, in expectation of self and others. Ibn Ashur, commenting on this verse, notes that the middle way is the most stable position structurally, the position from which one can see and respond to both extremes with wisdom.
OCPD is, by diagnostic definition, a disorder of the extreme: extreme standards, extreme rigidity, extreme devotion to work at the expense of everything else. It is not Wasatiyyah. Framing OCPD-driven perfectionism as Islamic diligence is not a reading of the tradition; it is a distortion of it.
| Bukhari and Muslim “The Prophet (peace be upon him) said: Make things easy and do not make them difficult. Give good news and do not drive people away.” |
| Bukhari “The Prophet (peace be upon him) said: Religion is ease. Whoever makes religion difficult will be overcome by it.” |
These are not peripheral hadiths of the tradition. They are foundational statements about the character of the deen and the character of the believer. The Prophet (peace be upon him) was not describing an ideal to aspire to occasionally. He was describing the operating mode of the Muslim life: ease, facilitation, the removal of unnecessary burdens. The person with OCPD who imposes elaborate, inflexible systems on their family and their own religious practice is not being more Islamic. They are, by the Prophet’s explicit criterion, making the religion difficult in a way the Prophet (peace be upon him) specifically warned against.
| ومن يتوكل على الله فهو حسبه Al-Talaq 65:3 “And whoever relies upon Allah, then He is sufficient for him.” |
Tawakkul, genuine reliance on Allah, is one of the highest stations of the Islamic spiritual path. It is not passivity or negligence; the Islamic tradition is clear that tawakkul is practised after the believer has taken appropriate means. But it involves a conscious, theologically grounded release of the need to control outcomes. The believer takes their best action and then entrusts the result to Allah.
This is precisely where OCPD and Islamic spirituality stand in direct opposition. The OCPD individual cannot release the outcome. Their sense of safety depends on controlling every variable: the order of the kitchen, the method used by the employee, the standard reached by the child, the quality of the work product. There is no room in this framework for divine management of affairs, because the person with OCPD has appointed themselves to that role.
Therapeutically, this is a significant insight for Muslim clients who are responsive to spiritual framing. The compulsion to control everything is not an expression of Islamic conscientiousness; it is a failure of tawakkul. It reflects a deep, often unexamined belief that if the person stops managing, something will go irreparably wrong, and that Allah cannot be trusted to hold what they release. Naming this explicitly, with compassion and without judgment, can open a therapeutic door that purely secular CBT approaches cannot.
The Prophet Muhammad (peace be upon him) was the most capable human being who ever lived, by Islamic understanding. And yet he practised shura, genuine consultation and delegation, as a consistent feature of his leadership. He sought the opinions of his companions. He accepted being persuaded by them when they were right. He entrusted significant responsibilities to those whose competence he trusted, without micromanaging their execution.
This is not a peripheral feature of prophetic character. Allah commanded it explicitly: “And consult them in the matter” (Al-Imran 3:159). The Muslim who cannot delegate, who insists on doing everything themselves because no one else will do it correctly, is not modelling prophetic leadership. They are modelling a pattern the Prophet himself did not embody.
| Muslim “The Prophet (peace be upon him) said: Allah is gentle and loves gentleness in all things.” |
One of the most painful relational costs of OCPD is the harshness it generates toward those who do not meet the person’s standards. This harshness may be expressed through overt criticism, through visible expressions of disappointment, through sighing and correction, or through the subtler but equally damaging withholding of approval. Children, spouses, and colleagues of individuals with OCPD frequently report that they feel as though nothing they do is ever quite good enough.
The prophetic standard is Rifq: gentleness. Not gentleness as softness or the lowering of appropriate expectations, but gentleness as the default orientation of the believer toward every person in their orbit. The Quran describes the Prophet’s character: ‘It is by the mercy of Allah that you were gentle with them. If you had been harsh and hard-hearted, they would have dispersed from around you’ (Al-Imran 3:159). Harshness, even in service of high standards, is clinically and theologically a problem.
| Islamic Principle | Arabic Term | Application to OCPD |
| The Middle Path | Wasatiyyah | Perfectionism and rigidity are explicitly contrary to the Quranic command of moderation. The religion is ease, not hardship. |
| Reliance on Allah | Tawakkul | The OCPD need to control every outcome is a direct challenge to the belief that Allah alone is Al-Wakil (the ultimate Guardian and Manager of affairs). |
| Consultation and Delegation | Shura | The prophetic practice of consulting others and distributing responsibility directly counters the OCPD reluctance to delegate. |
| Good Opinion | Husn al-Zann | Assuming incompetence in others and judging them harshly contradicts the Islamic command to hold a good opinion of people. |
| Gentleness | Rifq | The Prophet said Allah loves gentleness in all things. OCPD-driven harshness toward self and others violates this prophetic principle. |
| Expansiveness | Yusr | Allah intends ease for you (2:185). The OCPD person’s self-constructed world of rigid rules generates hardship that the deen did not prescribe. |
OCPD is treatable, though the therapeutic work is typically longer and more complex than for symptom-focused conditions such as OCD or social anxiety. The primary challenge, as noted throughout this article, is that the person with OCPD typically enters treatment without believing they are the variable that needs to change. Building therapeutic alliance while gently and consistently confronting this assumption is both the primary task and the primary skill required of the clinician.
Evidence-based treatment approaches for OCPD include the following.
CBT for OCPD targets the specific cognitive distortions that drive the disorder: perfectionist standards as a measure of worth, the belief that mistakes are catastrophic, dichotomous thinking (either done correctly or done wrong, with no middle ground), and the assumption that others’ different methods are inferior rather than simply different. Behavioural experiments are used to test these beliefs in practice: the client is asked to submit a piece of work with a minor imperfection and to observe whether the feared catastrophe actually occurs. These experiments are graduated, beginning with low-stakes domains, and their results are used as evidence to update the rigid cognitive template.
Schema therapy addresses the deep-level beliefs that underlie OCPD, which typically originate in early developmental experience. Common schemas in OCPD include unrelenting standards (the core belief that one must always achieve the highest possible level of performance), punitiveness (the belief that mistakes deserve harsh consequences, whether directed at self or others), and emotional inhibition (the belief that expressing emotion is a sign of weakness or loss of control). Schema therapy works to identify the origins of these schemas, to develop compassion for the child who developed them for understandable reasons, and to challenge their operation in the present.9
Psychodynamic therapy explores the developmental and relational origins of the OCPD pattern, often uncovering early experiences of conditional approval (love and acceptance that were contingent on performance), early exposure to significant unpredictability or loss (which the OCPD structure was developed to manage), or the unconscious anxiety that underlies the need for control. For many OCPD individuals, the perfectionism is a solution to an old problem: if I am flawless enough, I will be safe. Psychodynamic work helps the person recognise and grieve this old adaptation and to develop new relational patterns that do not depend on it.
For Muslim clients, particularly those for whom their religious identity is central, integration of Islamic frameworks can be a decisive therapeutic asset. This involves several specific elements.
| A Note on Medication While there is no medication that targets personality structure directly, SSRIs and SNRIs can be useful in OCPD when the disorder is accompanied by clinically significant anxiety or depression. Reducing the overall arousal level of the nervous system can create the neurological conditions under which cognitive and schema-based work is more accessible. Psychiatric consultation is appropriate for moderate to severe presentations, and it is Islamically permissible under the prophetic principle that Allah has not created a disease without creating a cure, and that seeking treatment is an act of iman. |
OCPD does not present in clinical offices alone. It presents in marriages, in extended families, in Islamic schools, and in masjid communities. Imams and Islamic counselors are frequently the first point of contact for individuals whose OCPD is causing relational crisis, and the guidance offered at that first contact can either open or close the pathway to appropriate care.
The following guidance is offered for those in religious or community leadership roles.
There is nothing in Islam that requires perfection from human beings. Allah has explicitly stated: ‘Allah does not burden a soul beyond what it can bear’ (Al-Baqarah 2:286). The Prophet Muhammad (peace be upon him) said: ‘The most beloved deeds to Allah are the most consistent ones, even if small’ (Bukhari). The Islamic tradition has always understood that sustainable excellence, not unattainable perfectionism, is the standard of the deen.
Obsessive-Compulsive Personality Disorder takes a legitimate human virtue, the desire to do things well and to take responsibility seriously, and amplifies it past the point of function, past the point of health, and past the point of the Islamic middle way, into a pattern that harms the person who has it and those around them. Naming this clearly, from both a clinical and an Islamic perspective, is an act of care for the individual, for their family, and for the community.
If you recognise yourself or someone you love in this article, the first step is not to try harder. The first step is to seek a qualified assessment from a mental health professional with experience in personality disorders. Effective treatment exists. Change is possible. And the Islamic tradition, properly understood, is not an obstacle to that change; it is one of its most powerful resources.
| الله لا يكلف نفسا إلا وسعها Al-Baqarah 2:286 “Allah does not burden a soul beyond what it can bear.” |
Ayman Al-Taher, RP
Imam, Registered Psychotherapist, Islamic Scholar
Al-Iman Family Services | Mississauga, Ontario
www.aifs.ca | [email protected] | 647-563-6632
1. American Psychiatric Association. (2013). Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition (DSM-5). American Psychiatric Publishing.
2. Diedrich, A., and Voderholzer, U. (2015). Obsessive-compulsive personality disorder: A current review. Current Psychiatry Reports, 17(2), 2.
3. Fineberg, N. A., et al. (2014). The size, burden and cost of disorders of the brain in the UK. Journal of Psychopharmacology, 27(9), 761 to 770.
4. Pinto, A., Steinglass, J. E., Greene, A. L., Weber, E. U., and Simpson, H. B. (2014). Capacity to delay reward differentiates obsessive-compulsive disorder and obsessive-compulsive personality disorder. Biological Psychiatry, 75(8), 653 to 659.
5. Moritz, S., et al. (2016). Overconfidence in false memories is linked to rigidity in obsessive-compulsive disorder and personality disorders. Journal of Behavior Therapy and Experimental Psychiatry, 50, 274 to 279.
6. Chamberlain, S. R., et al. (2008). Orbitofrontal dysfunction in patients with obsessive-compulsive disorder and their unaffected relatives. Science, 321(5887), 421 to 422.
7. Samuels, J., and Costa, P. T. (2012). Obsessive-compulsive personality disorder. In T. A. Widiger (Ed.), The Oxford Handbook of Personality Disorders. Oxford University Press.
8. Riddle, M. A. (Ed.). (2018). Obsessive Compulsive Disorder in Children and Adolescents. Springer.
9. Young, J. E., Klosko, J. S., and Weishaar, M. E. (2003). Schema Therapy: A Practitioner’s Guide. Guilford Press.
10. Ibn al-Qayyim al-Jawziyyah. (n.d.). Madarij al-Salikin. Various editions.
11. Al-Nawawi. (n.d.). Al-Majmu’ Sharh al-Muhadhdhab. Various editions.
