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Language And The Brain Handout FINAL.docx - Logan Shadden...

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Logan ShaddenLanguage and the Brain HandoutLanguage and The Brain HandoutThis Is Your Brain on LanguageFor 96% of right-handed and 73% of left-handed people, language is processed in the followingparts of the brain located in the left hemisphere:Wernicke’s Area--This area includes Sylvian Parietotemporal Area (SPT) and theposteriorparts of theSuperior Temporal Gyrus (STG).
Superior Temporal Gyrus (STG)--The actual part of the Auditory Cortex where earlyprocessing of sound occursSylvian Parietotemporal Area (SPT)--The area involved in converting auditory andphonological representations into articulatory-motor representations.Middle Inferior Gyrus and Inferior Temporal Gyrus (MTG/ITG)--The parts of the brainwhere word meaning and conceptual representations of words is thought to occur.Broca's Area--Also known as theInferior Frontal Gyrus (IFG)is the area responsible fororganizing the articulatory patterns of language and directing the motor cortex. It also appears tocontrol the use of inflectional morphemes and function words.Angular Gyrus--This area converts visual stimuli into auditory stimuli.Arcuate Fasciculus--The pathway where nerve fibers which allow the two language areas of thebrain to share information reside. Connects the STG and SPT to the IFG. The STG and SPT arewhere auditory processing occur, while the IFG is important to speech production.Extreme Capsule--The pathway connecting the STG and MTG/ITG with IFG. This pathway ismost heavily used to analyze the semantics of incoming speech, and it aids in syntacticprocessing.Other Important Physical Features of the BrainCortex:Membrane covering the brain. Most language centers of the brain are contained in thecortex.Auditory Cortex:Receives and identifies auditory signals, and converts them into a form thatcan be interpreted by other areas of the brain.Visual Cortex:Receives and interprets visual stimuli.Motor Cortex:Sends signals to muscles (including face, jaw, tongue) to make them move.Right and left hemispheres:Responsible for processing certain kinds of information.Corpus callosum:Connects the two hemispheres. Makes it possible for them to communicate.Sylvian Fissure:A large horizontal fold located in the middle of each hemisphere of the brainthat separates the temporal lobe from the frontal lobe of the brain.

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