Explanation of OCD

Biochemical explanation category includes

• Genetic

• Biochemical

• Neurological

• Cognitive

• All of the above

Mattheisen in his study (2015) suggested that OCD may have

• Genetic basis

• Biological basis

• Cognitive basis

• Behaviour basis

How many patients did Mattheisen study

• 1406

• 1400

• 12

• 1402

Which genes were linked to explanation of OCD in patients

• PTPRD

• SLITRK3

• SSRI

• MAOI

Taj in his study found that this gene was involved in uptake of Dopamine which could relate to OCD

• PRT5

• DRD3

• PRT1

• PRT2

• DRD4

Leckman (1994) found that OCD can relate to this hormone disfunction

• Dopamine

• Oxytocine

• Serotonin

Neurological explanation is based on the possibility of

• Orbifrontal Cortex damage

• Frontal lobe damage

• Basal ganglia damage

Cognitive approach to explanation of OCD claims that

• Patients with OCD loose reality

• Engage in faulty reasoning

• Sleep bad

• Have negative thinking pattern

• OCD can be explained via operant conditioning

Psychodynamic approach explanation of OCD is based on

• Annal type of personality

• The conflict between Ego and ID

• Traumatic toilet training

• All of the above