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Language Development Chap 3
Language Development Chap 3
22
Other
Graduate
09/12/2011

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Term
Neurolinguistics
Definition
study of the anatomy, physiology, and biochemistry of the brain responsible for language processing and formulation
Term
Central Nervous System (CNS)
Definition
Portion of the nervous system consisting of the brain and spinal cord
Term
Peripheral Nervous System (PNS)
Definition
All elements of the nervous system outside of the skull and spinal cord
Term
Neuron
Definition
Nerve cell;basic unit of the nervous system
Term
Synapse
Definition
Miniscule space between the axon on one neuron and the dendrites of another
Term
Reticular Formation
Definition
Unit of neurons within the brain stem responsible for sensory integration and for inhibition or facilitation of sensory information
Term
Thalamus
Definition
Organ located in the higher brainstem that receives incoming sensory information, except smell and relays tis information to the appropriate portion of the brain for analysis
Term
Cerebrum
Definition
Upper brain, consisting of the cortex and the subcortical structures
Term
Cortex
Definition
Outermost gray layer of the brain, made up of neuron cell bodies
Term
Corpus Callosum
Definition
Main transverse tract of neurons running between the two hemispheres of the brain
Term
Gyri
Definition
Hill between two fissures, or sulci, on the surface, or cortex, of the brain
Term
Fissures
Definition
A valley or depression (also called a sulcus), between two gyri on the surface, or cortex of the brain
Term
Sulci
Definition
A valley or depression (also called a sulcus), between two gyri on the surface, or cortex of the brain
Term
Motor Cortex
Definition
Posterior portion of the frontal lobe responsible for sending nerve impulses to the muscles
Term
Heschl's Gyrus
Definition
Area located in the auditory cortex of each hemisphere of the brain that receives incoming auditory signals from the inner ear
Term
Wernicke's Area
Definition
Language-processing area of the brain, located in the left temporal lobe, responsible for organizing the underlying structure of outgoing messages and analyzing incoming linguistic information
Term
Angular Gyrus
Definition
Association area of the brain, located in the posterior portion of the temporal lobe, responsible for linguistic processing, especially word recall
Term
Supramarginal Gyrus
Definition
Association area of the brain, located in the posterior portion of the temporal lobe, responsible for linguistic processing, especially of longer syntactic units such as sentences
Term
Arcuate Fasciculus
Definition
White, fibrous tract of mostly axons and dendrites underlying the angular gyrus in the brain. Language is organized in Wernicke's area and transmitted through the arcuate fasciculus to Broca's area
Term
Broca's Area
Definition
Cortical area of the left frontal lobe of the brain responsible for detailing and coordinating the programming of speech movements
Term
Information Processing
Definition
Theoretical model of brain function that stresses methods employed in dealing with information
Term
Organization
Definition
Tendency for all living things to systemize or organize behaviors. Piagetian concept
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