OCD Flashcards

1
Q

With OCD, does the individual recognise that the habits are abnormal?

A

Yes!

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2
Q

With OCD, how many hours a day do you need to lose to obsessions/compulsions to meet diagnosis?

A

<1hr

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3
Q

What does it mean to have ‘egodystonic’ intrusive thoughts?

A

Counter to the self image of the person (ie harming a child)

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4
Q

In OCD, what is ‘safety behaviour’?

A

The things people do to manage their anxiety (ie the obsessions like washing hands)

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5
Q

Is it possible to have OCD without having compulsions?

A

Yep - 8-20% fall into this category

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6
Q

What’s the gender dimension to OCD at a population level?

A

1:1

  • Childhood onset more common in males
  • Some presentation differences… females more likely to do harm/checking and somatic obsessions
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7
Q

What’s the gender dimension to OCD at a clinical level)?

A

Difference in focus

Men are more likely to have a focus on sexual religious stuff

Women are more likely to focus on aggression or cleaning stuff

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8
Q

What is are the key co-morbidities with OCD?

A

There are five:

About a quarter

  1. major depressive disorder (MDD)
  2. obsessive–compulsive personality disorder (OCPD)

About one in five

  1. generalized anxiety disorder (GAD)
  2. specific phobia (SP)
  3. Social phobia (Social Phobia)
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9
Q

What’s the difference between OCD and OCPD?

A

The latter is trait based

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10
Q

What % of OCD attempt suicide?

A

Lifetime history is 9%

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11
Q

What % of OCD have had suicidal ideation in the last month?

A

~6%

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12
Q

Name one of the 5 main theories of OCD aetiology

A
  1. Early childhood trauma (inc modelling by parents)
  2. Personality (neuroticism)
  3. Genetics (hSERT)
  4. Maybe early childhood trauma, maybe living with someone finicky about cleanliness
  5. Personality - neuroticism
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13
Q

What are the key features of Salkovskis’ (1985) cognitive model of OCD?

A
  1. Premise that intrusive thoughts are normal
  2. Some individuals place special meaning those thoughts, respond to them in a special way
  3. These responses increase vigilance for intrusive thoughts and protests the meaning of the intrusion
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14
Q

What are the things that shape whether an intrusive throught might become an obsession (according to Clarke and O’Conner 2005)?

A

There are five:

  1. Overly important (‘if I’m thinking this way, it must be important’);
  2. Highly threatening (‘if I continue to think like this, something bad will happen’);
  3. Requiring complete control (‘I’ve got to stop thinking this way’);
  4. Necessitating a high degree of certainty (‘I need to be certain that nothing bad will happen’)
  5. Associated with a state of perfection (‘I can’t stop thinking about this until I do it perfectly’)
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15
Q

What works better for OCD, drugs or therapy?

A

THERAPY!

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16
Q

How soon after onset is BODY DISMORPHIC DISORDER (BDD) typically diagnosed?

A

10-15 years after onset

17
Q

What is the suicide attempt rate for BODY DISMORPHIC DISORDER (BDD)?

A

25%

18
Q

What is the typical course of BODY DISMORPHIC DISORDER (BDD)?

A

Chronic

19
Q

Is BODY DISMORPHIC DISORDER (BDD) treatable?

A

Yup

20
Q

What is the significance of developing BODY DISMORPHIC DISORDER (BDD) before the age of 18?

A
  1. more likely to attempt suicide,
  2. more likely to have comorbidity,
  3. more likely to have gradual (rather than acute) disorder onset
21
Q

What are the cognitive factors associated with HOARDING DISORDER?

A
  • Control over possessions
  • Concern about memory (need to keep things so you don’t forget)
  • Responsibility over possessions
22
Q

What is Trichotillomania?

A

Hair pulling

23
Q

To get a Trichotillomania diagnosis, do you need to have tried to stop?

A

Yes

24
Q

What is blepharitis and what is it related to?

A

Swelling of the eyelid - associated with Trichotillomania (hair pulling)

25
Q

What medical professional might first come upon hair pulling?

A

Dentist (wearing teeth down due to chewing the hair)

26
Q

What is excoriation?

A

Skin picking

27
Q

What is the aetiology of hairpulling and skin picking

A

Pleasure?

Emotional regulation? (dealing with either arousal or boredom)

28
Q

What are the two subtypes of hair pulling and skin picking?

A
  • automatic (dissociative)

- focused

29
Q

Why does the DSM treat the OCD disorders together?

A
  1. Characterised by intrusive thoughts
  2. All highly distressing
  3. All amenable to treatment, IF the patient is motivated
30
Q

What are the main brain regions involved in OCD?

A

Some key areas are those around organisation and memory.

Here is the list provided in the slide:

  1. Orbitofrontal context
  2. Cingulate gyrus
  3. Basal Ganglia
  4. Caudate Nucleus,