PSYCH-101 Lecture Notes - Lecture 20: Multiple Sclerosis, Neuroplasticity, Aphasia

• School: Diablo Valley College
• Department: Psychology
• Course: PSYCH-101
• Professor: perez

Document Summary

Cortical representations of information are weighted by importance . Retrograde: cant remember things of your past. Anterograde: you can no longer form new memories. Aphasia: the loss of ability to use or understand speech/language. The ability for the brain to change and overcome. The 2 cerebral hemispheres connected by the corpus callosum. Largely symmetric, but there is some lateralization . Largely symmetric, but there is some lateralization (language) Contralateral organization: left hemisphere controls the right side of the body, and vice versa. Split brain: the corpus callosum is cut in surgery. Cell body: coordinates information-processing tasks and keeps cell alive. Axon: carries information to other neurons, muscles, glands. Synapse: the region between the axon of one neuron and the dendrite (or cell body) of another. Myelin sheath- fatty sheath that insulates axons resulting in increased speed of and efficiency of neural communication.