• Area of brain involved in OCD is Basal ganglia
  • They experience obsessions and compulsions
  • Obsessions –
  1. Intrusive, distressing thoughts and mental images which repeat over and over
  2. ego-dystonic (experienced as unpleasant)(undoing)
  3. Common obsessions:
  • Dirt and contamination
  • Superstitious fears
  • Aggressive content
  • Sexual content (blasphemous religious thoughts.)
  • Hoarding
  • Need for symmetry
  • Pathological doubt
  • Compulsions – are behaviours or acts that are carried out to reduce the anxiety
Common compulsions:
  • Mental rituals (prayers, counting etc.)
  1. Checking
  2. Hoarding
  3. Arranging until things are “just right”
  4. Cleaning and washing
  • Contamination – the most common obsession , obsession of contamination followed by compulsive avoiding of contaminated objects , excessive cleaning , inability to leave there homes because of fear of germs , shame and disgust from feces , urine , dust and germs .
  • Pathological doubt – 2nd most common , obsession of doubt , followed buy compulsive checking , most danger of violence , forgetting to turn off the stove , or not locking the door , some patient can travel back home several times . Obsession of self-doubt , feeling guilty about issues
  • Intrusive thoughts – 3rd most common , intrusive obsessional thoughts without compulsion , such as repetitive sexual or aggressive acts , patients obsessed of there thoughts , may think that they suppose to report them to the police or to make a confession to the priest .
  • Symmetry – 4th most common , the need for symmetry of precision , which lead them to compulsion of slowness , patient can take an hour to eat a meal or shave their faces
  • Religious obsession and compulsive hoarding .
  • ½ of the people with OCD later develop sever depressive episode.
  • Trichitillomnia – compulsive hair pulling and nail biting .
  • Masturbation can be an compulsive pattern , in many way to relief specific obsessive anxiety
  • Repression,Undoing,Denial & Displacement are Defence mechanism in OCD
  • Shows perfectionism
  • Rigidity and Stubbornne
  • OCD usually has a gradual onset, beginning in early adulthood
  • OCD has a prevalence of 2-3% worldwide..
  • ALL cases of OCD take up greater than 1 hour
  • Group A streptococcal infections are associated with OCD.
  • Childhood onset is not rare and the disorder has a waxing and wanning course.
Exam Question of:
  • Obsession to Dirt and contamination is a common finding of OCD
  • ½ of the people with OCD later develop sever depressive episode.
  • Obsessive Compulsive Disorder is associated with intrusive thoughts (obsessions) and unusual rituals and activities (compulsions).
  • Ego's defence mechanism "Undoing" is typically seen in OCD
  • Perfectionism interfering with performance, Compulsive checking behaviour ,Preoccupation with rule are find in OCD
  • Irritational thought,Resisting the idea, Persistence of idea are find in OCD
  • Abnormal thought possession is found in OCD
  • Repression,Undoing,Denial & Displacement are Defence mechanism in OCD
  • Patient is conscious about the disorder in OCD
  • Irresistible desire to do a thing repeatedly is seen in OCD
  • Area of brain involved in OCD is Basal ganglia
  • Compulsive hair pulling that produces bald spots is called Trichotillomania
Don't Forget to Solve all the previous Year Question asked on OBSESSIVE-COMPULSIVE DISORDER