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## All infants within first 2 years: progress: reactive pain and pleasure → complex patterns of socio-emotional awareness. ### Primary emotions: innate and universal - colic - uncontrollable crying; subsides by 3 months - social smile; evoked by a human face; affected by age since conception - 6 m...

## All infants within first 2 years: progress: reactive pain and pleasure → complex patterns of socio-emotional awareness. ### Primary emotions: innate and universal - colic - uncontrollable crying; subsides by 3 months - social smile; evoked by a human face; affected by age since conception - 6 months; anger appears - sadness; may appear in the early months; indicates withdrawal instead of help ### Fear is affected by: - awareness of discrepancy - Temperament - Social context ### Social fear; increases middle of first year then decreases: - Separation anxiety; begins at age 1, intensifies at age 2 then subsides - Stranger wariness; fear of unfamiliar people If persistent after age 3, may become a disorder; adulthood: may have generalized anxiety disorder or social phobia. 1 year ago olds wary of the unexpected with repeated experience and reassurance they will overcome it. ### Secondary emotions: involve awareness of other people ### Self-awareness: the realization that one's body, mind and activities are distinct from others. - 15 and 24 months babies become self-aware ### Temperament: differences between one person and another in emotions, activity and self-regulation; measured by the person’s typical responses to the environment. - begins with genes and prenatal determinants - it affects everything; even basic behaviors ### Three distinct temperament traits: - Effortful control; regulating attention and emotion, self-soothing) - Negative mood; fearful, unhappy - Exuberance; active, social Too much stress and fear causes the brain to grow more slowly; fewer dendrites develop. - immune system is also impaired ### Caregiver behavior infancy may affect emotional responses in the adult brain. #### Sep 10 ### Three aspects of social involvement: - Synchrony; early parent-infant interactions; helps infants develop social skills; absence is a troubling sign for future emotional and brain development - Still-face tech. suggests synchrony is experience-expectant