2.Lateralization of Functions

2.Lateralization of Functions - 1 Lateralization of...

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Unformatted text preview: 1 Lateralization of Function Dr. Coulson Cognitive Science Department UCSD Human Brain • An extension of the spinal cord Cerebral Hemispheres Corpus Callosum Cartoon View of Brain Cerebral Lobes 2 Neurons • Brain composed of neurons – 100 billion • Neurons both send and receive signals to other cells in form of pulses • Important parts – Cell body – Axon – Synapse Connectivity • Each neuron connected to 10,000 other neurons • Point of contact is the synapse • Computing power of brain comes from connections Cortex • Two millimeters thick and has area of 1.5 square meters Cartoon View: Frontal Lobe • In front of central sulcus • Decisions, judgments, emotions Cartoon View: Parietal Lobe • Behind central sulcus • Perception of stimuli related to touch, pressure, temperature, pain Cartoon View: Temporal Lobe • Below lateral fissure • Perception, recognition, auditory processing 3 Cartoon View: Occipital Lobe • Located at back of brain, behind the parietal lobe and temporal lobe • Vision Lateralization of Function • One side of the brain is more crucial for a given function and/or more efficient at the underlying computational tasks • Typically a matter of degree – Strongly vs. Weakly Lateralized • Motor control a good example of a lateralized function Sensorimotor Cortex Motor Control What about language?...
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This note was uploaded on 11/30/2011 for the course ECON 311 taught by Professor Zambrano during the Fall '08 term at Cal Poly.

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2.Lateralization of Functions - 1 Lateralization of...

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