01:185:253 Lecture Notes - Lecture 10: Facial Symmetry, Sperm Competition, Ejaculation
13 Mar 2018
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Facial femininity -correlated with both youth and high estrogen levels. Facial symmetry- an indicator of developmental stability and thus of good genes c. early emergence of these preferences: infants from 2 to 8 months look longer at b. Teen-aged males prefer older women, despite the fact that they are unlikely to be interested. 17 year old boys are most attracted to 23 year old women! d. it is more important to men than to women (in every single study in every. Number of sperm in husband"s ejaculate increased dramatically with the amount of time that couple spent apart. 100% of the time together 389 million sperm c. increase did not depend on time since last ejaculation. Their partner becoming emotionally involved with someone else. 60% of men found a more upsetting; only 17% of women did (heart rate and sweating) Participants were fitted with equipment to measure physiological distress.
