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PY 101, Week 1 Notes

by: Hannah Tomlinson

PY 101, Week 1 Notes Psychology 101

Hannah Tomlinson

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About this Document

Brain Structure
Intro to Psychology
Class Notes
25 ?




Popular in Intro to Psychology

Popular in Psychology

This 2 page Class Notes was uploaded by Hannah Tomlinson on Thursday September 1, 2016. The Class Notes belongs to Psychology 101 at University of Alabama - Tuscaloosa taught by Rachel in Fall 2016. Since its upload, it has received 12 views. For similar materials see Intro to Psychology in Psychology at University of Alabama - Tuscaloosa.


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Date Created: 09/01/16
8/24 Brain Structure  The brain is used for voluntary and involuntary actions.  Broca is important because it’s the first evidence of different functions of the brain. -Broca affects speech or ability to communicate.  Phineas Gage: He was a railroad worker and he got an iron rod stuck in his head. He functioned fine and went home to called the doctor to come fix the problem. As time went on, people started to notice his behaviors and personality were changing. Brain stem -Spinal Cord: if injured, communication is cut-off; paralysis -Reticular Formation: responsible for sleep and responsible -Medulla Oblongata: regulates breathing, heart and blood vessel function, digestion, sneezing, swallowing. -Pons: contains nuclei that relay signals to the cerebellum -Midbrain: vision, hearing, motor control, sleep  Cerebral Cortex: outer layer of brain tissue; forms convoluted surface of brain -site of all thoughts, perceptions, and complex behaviors -4 lobes  Occipital  Parietal  Temporal  Frontal  Corpus Callosum: bridge of millions of axons that connects the hemispheres and allows information to flow between them  Gray matter: dominated by neurons’ cell bodies  White matter: dominated by axons and fatty myelin sheaths that surround them  Occipital: regions of the cerebral cortex at the back of the brain which are important for vision -Primary visual cortex  Parietal: important for the sense of touch and for attention to the environment -Primary somatosensory cortex -Somatosensory homunculus  Temporal: regions of cerebral cortex, below the parietal lobes and in front of occipital lobes -Auditory perception -Fusiform face area (facial recognition) -Memory (object recognition) -Understanding emotional reactions -Understanding language -Hearing  Frontal: important for movement and higher-level psychological processes associated with prefrontal cortex -Primary motor cortex -Attention -Thought -Voluntary movement -Decision making -Language -Broca’s area


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