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PSC101_Fall10_Lecture+1_Handouts

PSC101_Fall10_Lecture+1_Handouts - Format Smartsite...

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10/19/2010 1 Introduction to Psychobiology: Lecture 1 Becky Morgan UC Davis October 20, 2009 Format Smartsite Powerpoint slides Lecture podcasts Midterm exam Monday, November 10, 2010 40 Multiple choice questions Bring a UCD Scantron 2000 form and a #2 pencil Today: Chapter 8 Scope of psychobiology Proximate/Ultimate Effects Natural Selection Causation Chapter 9 Brain Comparisons Neuron/Brain Evolution Sex Differences in the Brain Chapter 10 Habituation The Biotemporal Space Level of Organization Temporal Dimension of Cause-Consequence
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10/19/2010 2 The Biotemporal Space Extended Phylogeny Ontogeny Level of Organization Each section is a generation into the past Evolutionary change Ultimate effects Development over 1 lifetime Proximate effects Different scales of structure and function Causes and Consequences Proximate More recent in time (before or after) During 1 lifespan Immediate cause or consequence of behavior Ultimate Further away in time (before or after) Across generations Impact on fitness Evolutionary change Ultimate Cause Proximate Cause Now Ultimate Consequence Proximate Consequence Time Fitness & Natural Selection Fitness = offspring produced Natural Selection: screening process affecting fitness Example: Giraffe Varying neck lengths Selection for long neck And mouth movements Imperfect design Proximate effects can have ultimate consequences:
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