Chapter 3 - Chapter 3 Definitions Absolute Refractory...

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Chapter 3 Definitions Absolute Refractory Period the min. length of time after an action potential during which another action potential cannot begin Action Potential - brief change in a neuron’s electrical change Adaptation- inherited characteristic that increased in a population (through natural selection) because it helped solve a problem of survival or reproduction during the time it emerged. Adoption Studies - Research Studies that assess hereditary influence by examining the resemblance between adopted children and both heir biological and their adoptive parents. Afferent Nerve Fibers - Axons that carry information inward to the central nervous system from the periphery of the body. Agonist - A chemical that mimics the action of a neurotransmitter Antagonist- A chemical that opposes the action of a neurotransmitter Autonomic Nervous System - the system of nerves that connect to the heart, blood vessels, smooth muscles, and glands. Axon - A long, thing fiber that transmits signals away from the neuron cell body to other neurons, or to muscles or glands. Central Nervous System – (CNS) The brain and the spinal chord Cerebellum - A relatively large and deeply folded structure lovated adjacent to the back surface of the brainstem. Cerebral Cortex – The convoluted outer layer of the cerebrum Cerebral hemispheres - The right and left halves of the cerebrum Chromosomes Threadlike strands of DNA (deoxyribonucleic acid) molecules that carry
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This note was uploaded on 04/17/2008 for the course PSYCHOLOGY general ps taught by Professor Deford during the Spring '08 term at King College.

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Chapter 3 - Chapter 3 Definitions Absolute Refractory...

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