PSY 101 1st Edition Lecture 9Outline of Last Lecture I. Biological and Psychology and Neuroscience continuesOutline of Current Lecture II. Biological and Psychology and Neuroscience continuesa. Body “maps”i. Definition of Primary motorii. Definition of Primary Somatosensory b. Phantom Limbc. Hemi-neglectd. Split Braine. The Final Word: Concussions Current Lecture Body “maps”o Primary Motor Devoted to muscle control Sends messages to muscles groups for action o Primary Somatosensory Devoted to sensation Receives messages from all over the body (warmth, cold, touch, pain, proprioception) o Proportionate to the amount of sensation or control we have Important areas have more space devoted to them. Just noticeable difference (JND) test Phantom Limbo Pain in an amputated limb Often a clenching or gripping sensation o Cortical remapping The affected areas are subsumed by neighbors Brian can be tricked by visual feedback Split braino Corpus callosum severed (to treat epilepsy) Hemispheres can no longer “talk” Person can function normally These notes represent a detailed interpretation of the professor’s lecture. GradeBuddy is best used as a supplement to your own notes, not as a substitute.o Rapid presentation of words to each hemisphere Will pick up the Key but say “ring” The Final Word: Concussions o Castile et al. (2011) examined concussion reports in the National High School Sports-Related Injury Surveillance System database. 732,805 sports-related concussions during a 6-year period. Most commonly reported symptoms:- Headaches (85.8%)- Dizziness (64.6%)- Concentration difficulty (47.8%)- Confusion/Disorientation (39.5%)- Loss of consciousness was rarely reported (4.8%)o McCrea et al. (2003) explored recovery rates following concussion, Young folks may take LONGER to
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