PSYC 311 Lecture Notes - Lecture 5: Lek Mating, Cerebellum, Myocyte
11 Dec 2018
School
Department
Course
Professor
Document Summary
Lifespan of orangutans: wild = 35-45 yrs, captivity = up to 60 yrs. *during early part of study (4 hrs), winner and loser effects were: very strong. Excess synapses are _____ or eliminated as a result of experience. Of the 19 possible benefits, which 2 were found to meet these criteria regarding locomotor play: modification of muscle fiber type differentiation, modification of cerebellar synapse distribution. Know the case study of foraging in stickleback fish. Pond snails carry these parasites; could be cue for frogs. Know the case study of personality inheritance among ruff birds: ruff = member of sandpiper family, uses leks for mating. Trapped fish acclimate to lab feeding more quickly. In humans, trait in childhood highly predictive of adult personality (shy = shy, bold = bold) What are loser effects? losing an aggressive interaction increases probability of future losses; often associated with increased glucocorticoid (stress hormone) levels, decreased testosterone levels.
