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Psychology11 Unit 3

QuestionAnswer
Absolute threshold a minimum amount of stimulus that must be present for detection to occur
Action potential a quick electrical charge sent down the axon of the neuron
Bottom–up processing when sensations reach sensory receptors and then travel to your brain for processing
Central nervous system (CNS) consists of your brain and spinal cord and is responsible for gathering and responding to information
Genetic transmission the study of how genes are passed from one generation to the next
Horomones Chemical messengers created in endocrine glands that travel through the bloodstream
Neurons nerve cells that make up the nervous system and communicate to transfer information form the brain throughout our body
Neurotransmitters Chemical messengers that communicate between neurons or between a neuron and a muscle
Peripheral nervous system (PNS) branches out all over your body and serves as a communication system between your brain, spinal cord, and the rest of your body
Perceptual set assumptions and interpretations that influence the processing of sensations
Reuptake when neurotransmitters unable to find a receptor site either disperse, break down, or are reabsorbed
sympathetic nervous system mobilized the body
synapse the point of connection between the tip of the axon or the synaptic terminal (which sends information) and the dendrite of another neuron (which receives information)
threshold a specific level of stimulation that must be generated for a neural impulse or message to be sent
top–down processing When expectations or experiences are used to create our perception
Created by: araeh
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