PSYC 3420 Chapter Notes -Caudate Nucleus, Online Dating Service, Masculinity
Document Summary
2 predictions from parental investment & sexual selection (trivers: sex investing more is choosier, sex investing less is more competitive for other sex. *preference changes over time; w also gauge future potential. *hard work predictor of past & future income/promotions. *tes causes broader lower jaw, strong brow ridge, pronounced cheekbones. **w prefer masculine looking faces regardless of menstrual cycle point** Love fmri study: looked @ people in love"s brain, caudate nucleus & ventral tegmental areas (dopa producing areas) Willingness to invest study (guy with a baby picture) 5 conditions: (1)man standing alone. (2) man smiling/interacting with baby. (3) man ignoring baby cry. (4) man & child facing forward. (5) man vacuuming rug: results: man smiling/interacting with baby most attractive as partner, man vacuuming least attractive. **when done in reverse; only w showed this preference, didn"t matter for m if w was with baby or not. Interest in baby faces study looking @ baby faces: m photographed looking @ infants faces.