PSYC 221 Study Guide - Axon Terminal, Nerve Tract, Cognitive Neuropsychology

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Dissociation a disruption of one component of mental functioning but no impairment of another. Double dissociation two patients show opposite patterns of disruption and preserved function. Further evidence suggests that the cognitive processes are anatomically and functionally separate. Association disruption of one of the processes always accompanies a disruption in the other process. Cognitive neuropsychology analysis of those handicaps in human cognitive function that result from brain injury. Neuron cell specialized in receiving and sending neural impulses. The basic building block of the nervous system. Process: neuron releases a chemical substance, a neurotransmitter, from small buttons or sacs in the axon terminals this chemical fits into the dendrites of the next neuron and creates an effect. Dendrites input structure: takes in the message being passed along a neural tract: small branchlike fingers. Soma where the biological activity of the cell is regulated: cell body; the central portion of each neuron.

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