PSYA4 - Biological Explanations of Gambling

• DSM-IV-TR diagnosis:
• Individual demonstrates loss of control
• Progressive Increase
• Continue behaviour despite negative outcomes

INITIATION - ROLE OF GENES

Pathological gambling can run in families. It's possible both genes and enviromental factors contribute.

SHAS et al (2005) - A twin study found evidence for genetic transmission of gambling in men.

BLACK et al (2006) - 1st degree relatives more likely to suffer the same condition than other family members. (strong genetic link)

MAINTENANCE

PITUITARY ADRENAL RESPONSE

Pathological gambling is associated with stimuli

PARIS et al (2010) - Measured Cortisol before and after watching a video of prefered mode of Gambling and a video of neuteral Stimuli. Recreational gambelers has increased salivary…