PSYC 2240 Study Guide - Midterm Guide: Ontogeny, Neuroglia, Oligodendrocyte

• School: York University
• Department: Psychology
• Course: PSYC 2240
• Professor: Agnieszka Kopinska

Document Summary

Biological basis of behaviour exam 1 chapters 1-4. Proxi(cid:373)ate versus ulti(cid:373)ate causatio(cid:374) of behaviour (cid:894)ti(cid:374)berge(cid:374)"s four(cid:895: ultimate questions (evolutionary, 1. Evolution of behaviour (phylogeny: proximate questions (immediate, 3. Neurons and glia: the human nervous system comprises two kinds of cells, neurons, glia, the human brain contains approximately 100 billion individual neurons. Santiago ramon y cajal: pioneer of neuroscience. In the late 1800s, the spanish investigator santiago was the first to demonstrate that the individual cells comprising the nervous system remained separate: he showed that they did not merge into each other as previously believed. Motor and sensory neurons: a motor neuron, has its soma in the spinal cord, receives excitation from other neurons, conducts impulses along its axon to a muscle, a sensory neuron. Is specialized at one end to be highly sensitive to a particular type of stimulation (touch, light, sound, etc. ) Dendrites: branching fibers with a surface lined with synaptic receptors responsible for bringing information into the neuron.