Love and Sex PArt 2

Question 1

Beauty

Answer 1

an external cue for the biological fitness of other people (especially as mates)

Question 2

Criteria for Beauty (for both sexes)

Answer 2

health
absence of deformities
skin
teeth 
hair
symmetry 
features of average size and shape

Question 3

Why symmetry?

Answer 3

indication of successful development

Question 4

Average Effect

Answer 4

average phenotype is what natural selection is “trying” to achieve

Question 5

Male Faces

Answer 5

effects of testosterone on jaw and brow ridge

Question 6

Female Faces

Answer 6

Effects of youth and nulliparity(eyes, lips, skin)

Question 7

Puzzle of male beauty

Answer 7

trouble getting consensus
high standards
contradictory findings: masculine and feminization can make a man more attractive
possible resolution: women find men more attractive when ovulating

Question 8

Beautiful Bodies

Answer 8

waist-hip ratio: men-.9; women- .7

cross-cultural importance of ^THIS (shape) over size

Question 9

supernormal Stimuli

Answer 9

exaggerate magnitude of psychologically effective physical cues

Question 10

Jealousy Hypotheses (males and females)

Answer 10

Males: uncertainty of paternity (cost of cuckoldry)
females: risk of rivals for male investment

Question 11

Triggers for jealousy (male and female)

Answer 11

Male: sexual infidelity worst
Female: Emotional infidelity worst

Question 12

2 reasons for jealousy

Answer 12

intimidate partner into being faithful

intimidate romantic rivals to stay away

Question 13

Lust

Answer 13

testosterone-sensitive circuits
(midbrain—->hypothalamus—-> amygdala)
(increases in both sexes though males have more testosterone)

Question 14

Romantic Desire

Answer 14

dopamine-sensitive mesolimbic circuits
(midbrain—>hypothalamus—>ventral striatum(basal ganglia))
ie. seeking wanting craving addiction

Question 15

Companionate Love

Answer 15

vasopressin and oxytocin (hypothalamus & pituitary)

maternal bonding love

Question 16

social constructionist view

Answer 16

romantic love is a recent invention

Question 17

paradoxical tactics

Answer 17

make a course of action involuntary to convince a skeptical target

Question 18

Confluence of Interest Among Spouses

Answer 18

Mutualism(good for me AND you)
same offspring
virtuous circle (positive feedback loop of selfish interest in others survival)

Question 19

Ultimate Confluence of interests

Answer 19

fates of husband and wife are identical if:

• both are monogamous
• both favor their own children over relatives
• both die at the same time

Predicts: ideal husband and wife should value other's life happiness as equivalent to one's own
sources of marital strife:
-inlaws
-age difference
-infidelity