Causes of SAD

1. Genetic Factors

1.1. Parents w/ SAD

1.1.1. Pass certain genes

1.1.1.1. kids SAD

1.2. Parents w/o SAD

1.2.1. some genes related to SAD

1.2.1.1. Twins studies

2. Brain Abnormalities

2.1. Amygdala

2.1.1. Overactive

2.1.1.1. Levels of frightening increase

2.2. Serotonin Level

2.2.1. Low / o

2.2.1.1. able to clam down

2.2.2. High

2.2.2.1. Postsynaptic membranes reject serotonin

3. Parenting issues

3.1. Poor attachment w/ parents

3.1.1. Emotional basis

3.1.2. Foundation for future social life

3.1.3. Deal w/ anxiety situations

3.2. Learn from parents

3.2.1. Parents react

3.2.2. Lack coping skills

3.2.2.1. Avoidance behavior

3.2.2.2. Fearful reactions