WSU PSYCH 105 - A Divided Brain (2 pages)

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PSYCH 105 Lecture 7 Ch 2 Outline of Current Lecture I Announcements II Review from last lecture Current Lecture I II Announcements a Test on Thursday b 50 Questions multiple choice and short answer c Bring Cougar Card if don t have it can t turn in exam d 1 3 Chapter 1 2 3 Chapter 2 Review from last lecture A Divided Brain o 2 hemispheres Left logical Right creative 3 Major Section o Forebrain largest cortex o Midbrain regulatory structures process visual and auditory info o Hindbrain connects brain to spinal cord and cerebellum 4 Major Lobes o Frontal primary motor cortex decision making problem solving o Temporal primary auditory cortex o Occipital primary visual cortex o Parietal somatosensory cortex The Limbic System o Limbic system A set of structures involved in learning memory motivation emotion and behavior Broca vs Wernicke o Broca s Aphasia Damage to lower left frontal lobe Difficulty speaking Difficulty producing language Able to comprehend written or spoken language o Wernicke s Aphasia 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 Difficulty understanding language written and spoken Difficulty with comprehension Fluency can speak quickly and easily Split Brain Operations o Cutting of the corpus callosum o Object presented to L hemisphere verbal response o Object presented to R hemisphere I didn t see anything o BUT the R still perceives the object o L verbal R spatial His Brain VS Her Brain o Males Large overall brain size Larger limbic structures Prefer mechanical toys and hands early on Higher 5 HT levels o Females Smaller overall brain size Larger amount of gray matter cortex Prefer soft toys and faces early on Lower 5 HT levels