PSYC 100 Chapter Notes - Chapter 17: Seasonal Affective Disorder, Bipolar Ii Disorder, Zeitgeber

• School: Queen's University
• Department: Psychology
• Course: PSYC 100
• Professor: Meredith Chivers

Document Summary

The nature and causes of psychological disorders pp. Definitions substance-related disorders: psychological disorder that are characterized by addiction to drugs or alcohol or by abuse of drugs or alcohol. 27% of individuals have reported symptoms of substance-related disorders strong association between substance abuse and depressive disorders. Binge drinkers start later in life, whereas steady drinkers start at an early age. Binging is influenced by heredity and environment steady drinkers may have unresponsive brains to danger and to social disapproval, due to an undersensitive punishment mechanism and reinforcement system. Binge drinkers have an oversensitive punishment system. People develop patterns of heavy drug use because of what they believe about the personal benefits of using drugs. Ex. people that believe alcohol will help them cope with negative emotions, also will expect alcohol will make them more likeable, social, or attractive. People abuse alcohol sometimes to obtain these perceived positive effects.