Human Sex Lecture Notes

Human Sex Lecture Notes - 21:32 Anatomy TheSexReflex...

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Human Sex Lecture Notes 21:32 Anatomy The Sex Reflex The US -----------------------------  The UR      Unconditioned stimulus                   Unconditioned response Several pairings bring about conditioned stimulus   conditioned response A “sexual turn-on” ex. Perfume CS ----------------------------------  CR     Conditioned stimulus                      conditioned response The Sexual Response of Males Process: Excitement   Plateau   Orgasm Refractory period in Plateau period and then Resolution Man can have second orgasm where refractory period is longer During the excitement phase and a man can get distracted and his erection can be  reversible – erection is lost, but can come back Testicular Elevation – where penis draws in in excitement Sensation around shaft of penis sends nerve signals to brain producing erection –  sensory input from stimulation of genitals Plateau phase o Testicular size increases o Cowper’s gland secretion – small drop, precum Reflex stage #3 Male O has 2 parts o Emission (or ejaculation inevitability) lasting 2-3 sec, fluids pumped into  ejaculatory ducts & urethra Ejaculation – muscle contractions every 0.8 seconds Resolution Advanced Ejaculatory Control – closest thing to multiple orgasms Retrograde Ejaculation – muscles contracting compress urethra and blocks  ejaculation 
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5 Similarities of Female and Male Reflex: descriptions given by females and males are very similar pulses of pleasure – fireworks waves of pleasure – blasting sacral reflex male – erection female – lubrication throasic & lumbar reflexes male – firmer erection female – more lubrication later male – emission female – (+) feelings prior to orgasm sacral reflex male - 0.8 sec contractions female 0.8 sec contractions pelvic – congestive syndrome male - blue balls: painful  female - taylor’s syndrome: uterus and ovaries enlarge   lower back ache, congestion The “battle of the sexes” – or being close with the “other sex” Psychology Continuum of psych theories: 1. Biological theories – strong and direct bio influences on behavior 2. Social Learning Theories – weak and indirect bio influences on beh
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I. Biological Theory Behavior of simpler species strongly influenced by biology II. Social Learning Theory: During human evolution, increased brain size led to increased learning  capacity Cortex = part of brain for learning memory thought In humans, learning can cover up almost all biological differences in male or  female behavior Masturbation Old view: Masturbation led to insanity
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