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This 3 page Class Notes was uploaded by Gabriela Saint-Louis on Tuesday September 22, 2015. The Class Notes belongs to PSYC 3121 at George Washington University taught by Myeong-Ho Sohn in Fall 2015. Since its upload, it has received 51 views. For similar materials see Memory and Cognition in Psychlogy at George Washington University.
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Date Created: 09/22/15
September 03 2015 Left hand vs right hand exercise left hemisphere controls right Right hemisphere controls the left left hand is controlled by right hemisphere reading controlled by left hemisphere left handed people language center varies show variety of subgroups right handed people language center is 99 percent in left hemisphere results should show more right handed performance Contralateral Control control laterality is the manner of control brain controls opposite side of the body and sends information to opposite side of the body 0 left hemisphere sends information for motor of right side of body etc 0 varies depending on domain I for visual domain control laterality is almost overlapping Neurons smallest unit that makes up the brain branches dendrites receive information travels through axons axon terminal will release neurotransmitters that will travel the gap between neurons synapse and willr each dendrites of post synaptic neuron 0 neurotransmitter transmission method is chemical 0 between neurons information transmission takes place chemically 0 within a neuron information transmitted through electric shock action potential I inside more negative inside neuron myelin sheath insulation to achieve faster speed Information Transmission always a gap between neurons called synapse dendrites of a post synaptic neuron has to have a receptor that matches what it is receiving Between Neurons 0 chemical 0 neurontransmitters 0 excitatory and nhibitor Brain Gross Anatomy Dopamine lower than normal level trouble in controlling movements memory vs applying physically the part of the brain responsible for remembering rules is different than art of the brain for executing the procedure Basal Ganglia Amnesic Brain Hippocampus and basal ganglia play key roles in human memory and learning Brain organization Localization 0 different parts of brain Within hempisphere being responsible for different things 0 Primary areas I motor cortex send motor commands I somatosensory receives information from different parts of body 0 interact with environment directly I Pre frontal cortex devoted to carry out high level cognitive behavior like reasoning language I Postrrior spatial attention Lateralization 0 different hemispheres Topography Aphasia localized in the left hemisphere Broca Apasia ability to produce speech Wemicke aphasia inability to form a coherent sentence 0 this area deals with meaning of wordsobj ects semantic understanding 0 damage here results in lack of semantic understanding
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