PSY 121 Lecture Notes - Lecture 47: Breast Pain, Seasonal Affective Disorder, Chronotype
Document Summary
Are you a lark or an owl : circadian rhythms differ due to genetics, variation of a single gene can determine chronotype. Lark : early riser, most alert in the morning. Owl : stay up late, sleep late, do best work at night. Moods and long-term rhythms: seasonal affective disorder (sad) A disorder in which a person experiences depression during the winter and an improvement of mood in the spring. Treatments may involve phototherapy or exposure to fluorescent light. Inconsistent findings with respect to prevalence (2 20%) and effectiveness of treatments. Moods & menstrual cycles: premenstrual syndrome (pms) Vague cluster of physical & emotional symptoms associated with the days preceding menstruation that was labeled as an illness". Physical symptoms (e. g. , cramps, water retention) are common. Emotional symptoms (e. g. , irritability, depression) are rare. Irritability and depression: fewer than 5% of women have symptoms predictably.
