Biological Approach - Treating OCD

Question 1

SSRIs

Answer 1

Block reuptake of serotonin, increasing presence in the synapse so it can bind with post-synaptic receptors, reducing symptoms

Question 2

SNRIs

Answer 2

Block reuptake of serotonin and noradrenaline, relieving anxiety and compulsions

Question 3

Tricyclic antidepressants

Answer 3

Block reuptake of serotonin and noradrenaline, increasing presence in the synapse, reducing symptoms

Question 4

Benzodiazepines

Answer 4

Increase activity of GABA which binds to receptor site of neuron so neuron less likely to fire electrical signal, reducing anxiety of neurons

Question 5

Strengths of the biological approach to treating OCD

Answer 5

• Cost effective and less destructive than talking therapies (eg. Less financial pressure on NHS, patient takes daily tablet)
• Supportive evidence for SSRIs (eg. Soomro meta-analysis found on average 70% of OCD patients improved, suggesting serotonin plays a role)

Question 6

Limitations of the biological approach to treating OCD

Answer 6

• Unpleasant side effects (eg. SSRIs can cause indigestion, blurred vision, low sex drive and Clomiparmine erectile dysfunction, weight gain)
• Treats symptoms not cause (eg, Koran suggests CBT less prone to relapse so more effective long term solution)