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Unformatted text preview: multi-tasking Endocrine System • Network of glands that manufacture and secrete hormones • Hormones o Chemical messengers that regulate metabolism and influence body growth, mood, sex • Pituitary Glands o Growth • Testosterone o Male sex • Estrogen o Female sex Plasticity and Neurogenesis • Plasticity o The idea that the brain is always changing o Environmental enrichment has an impact ! Leads to formation of new synapses • Stem Cells o Unspecialized cells that under appropriate conditions can be prompted to function as new neurons • Neurogenesis o The production of new brain cells from naturally occurring stem cells Recap • Heredity and Behavior o Evolution and natural selection • Nervous system o The Neuron o Action Potentials o Synaptic Transmissions o Neurotransmitters • Biology and Behavior o Nervous System o Brain structure o Hemispheric lateralization o Endocrine system o Plasticity and Neurogenesis...
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- Fall '08
- Psychology, new brain cells, Female sex Plasticity