Biological Approach to explaining OCD

• What is one strength of the genetic explanation of OCD?

  There is evidence to support it.
• What did Nestadt's study (2000) find regarding MZ twins and OCD?

  MZ twins had a concordance rate of 80% for OCD.
• What does the higher concordance rate in MZ twins suggest about OCD?

  It suggests a genetic basis for OCD.
• What is one limitation of the genetic explanation of OCD?

  There is little research to support it.
• What did Comer (2007) find regarding traumatic events and OCD?

  58% of the OCD diagnostic sample had experienced a past traumatic event.
• How does the presence of traumatic events challenge the genetic explanation of OCD?

  It suggests that environmental factors also play a role in the onset of OCD.
• What is one strength of the neural explanation of OCD?

  It has led to the development of drug therapy.
• What do SSRIs do in the treatment of OCD?

  They prevent the reabsorption of serotonin on the pre-synaptic nerve.
• How do SSRIs help treat emotional symptoms of OCD?

  They help reduce symptoms like nervousness and anxiety.
• What does the effectiveness of SSRIs suggest about the cause of OCD?

  It suggests that OCD is caused by low levels of serotonin.
• What is one limitation of the neural explanation of OCD?

  It doesn’t acknowledge other effective treatments.
• What is one technique used in psychoanalysis for treating OCD?

  The Rorschach ink blot test.
• How does the Rorschach ink blot test relate to the treatment of OCD?

  It helps uncover unconscious connections that may influence OCD symptoms.
• Why is it important to consider both biological and environmental factors in explaining OCD?

  To provide a comprehensive explanation of OCD.