May20th2008 - Exam 2 20 Reproductive Behavior 10 Std. Dev =...

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1 Reproductive Behavior Exam 2 EXAM2 100.0 95.0 90.0 85.0 80.0 75.0 70.0 65.0 60.0 55.0 50.0 45.0 40.0 20 10 0 Std. Dev = 13.63 Mean = 73.7 N = 118.00 Midterm 2 0 2 4 6 8 10 12 14 16 18 20 A+ A A- B+ B B- C+ C C- D+ D D- F Frequency What is Sexual Behavior? • Behavior that has evolved to bring sperm and eggs together Sex drive is the motivational forces that propel individuals to seek mates Field and lab suggest males will do just about anything to mate with females…. . For example: bull elephant seals will…. go without food for 3 months migrate 6000 miles fight with vigorously with other males Rats will cross electrified grids and endure significant pain to mate……. Male Reproductive Patterns 1) Appetitive Phase Includes all behaviors that will gain access to mates Sexual Motivation Libido Courtship 2) Consummatory Phase ± When copulation occurs ± Sexual Performance ± Potency All male sexual behavior can be divided into 2 Phases
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2 Appetitive phase Consummatory phase Appetitive Behavior Appetitive behaviors establish, maintain, or promote sexual interaction. Appetitive behavior varies widely across species Male Appetitive Behavior • Can involve a wide range of behaviors – Vocal displays – Physical displays –G room ing • Often reflect strength/vigor or ability to be a good parent Female Appetitive Behavior Female appetitive behavior often called proceptive Rats Wiggling their ears Primates – Vocalizations, approach/withdraw Pheromones and Reproductive Behavior Prostaglandin F stimulates ovulation in female goldfish and is detected by males In mammals pheromones are usually detected by the vomeronasal organ
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This note was uploaded on 09/13/2010 for the course PSC Psychology taught by Professor Cossowings during the Spring '08 term at UC Davis.

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May20th2008 - Exam 2 20 Reproductive Behavior 10 Std. Dev =...

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