PSYC 4140 Lecture Notes - Lecture 6: Retina, Neuroplasticity, Visual Cortex
8 Sep 2016
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Antagonist opposite effects of agonist; inhibits effects. Output: sensory nerve impulses that comes in very unique bursts. The homunculus is the map of the body within the sensory and motor cortices. Certain body parts seem exaggerated because they are more sensitive (hands are bigger than hips) People with one hemisphere of their brain removed at a young age can function normally because of brain plasticity. Phantom limb syndrome feeling that a limb is still present even after amputation. The brain keeps signaling that the limb is there or pain is still present because the brain has gotten used to having signals from that limb. Example: aucepetol lobe, usually used for vision, is allocated or rewired for hearing or tactile processes in blind people. Article: navigation-related structural change in the hippocampi of taxi drivers. Our brains can change shape as we do a task over and over again. The role of relevance: gating plasticity with neuromodulation.
