Biological Explanations of OCD (AQA A-Level Psychology): Flashcards
📚Flashcards
Practise the cards
10 cards from this deck
ShowHide
Practise the cards
10 cards from this deck
Biological approach emphasis
Biological approach emphasis
Physical processes: genetic inheritance & neural function
Lewis (1936): % OCD patients with OCD parents
Lewis (1936): % OCD patients with OCD parents
37%
Diathesis-stress model explanation
Diathesis-stress model explanation
Genes create vulnerability; environment triggers condition
Polygenic meaning (OCD)
Polygenic meaning (OCD)
Multiple genes contribute to OCD development
Taylor (2013): Number of genes possibly involved in OCD
Taylor (2013): Number of genes possibly involved in OCD
Up to 230 different genes
Nestadt et al. (2010): Identical twin OCD concordance %
Nestadt et al. (2010): Identical twin OCD concordance %
68%
Serotonin's role in OCD
Serotonin's role in OCD
Regulates mood; low levels disrupt mood-relevant info
Lateral frontal lobes function
Lateral frontal lobes function
Logical thinking & decision-making
Aetiologically heterogeneous meaning
Aetiologically heterogeneous meaning
OCD has different causes in different people
Co-morbidity definition
Co-morbidity definition
When multiple conditions occur together (e.g., OCD & depression)