CH.17 Organizational Culture

CH.17 Organizational Culture - Psy101 Lecture 4 Notes...

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Psy101 Lecture 4 Notes 9-6-07 Neuroscience: Biology and Behavior Part 2 Hippocampus – Stores short term things in the brain which leads to you remembering it long term. Hypothalamus Neural structure lying below (hypo) the thalamus; directs several maintanance Controls aggression (on cats/bulls) The Cerebral Cortex The intricate fabric of interconnected neural cells that covers the cerebral hemispheres The body’s ultimate control and information processing center o Frontal lobe o Parietal lobe o Occipital lobe o Temporal lobe Lobes of the Cerebral Cortex Frontal Lobes Involved in speaking and muscle movements and in making plans and judgments. Damaged frontal lobe, unable to be patient, cannot think ahead Parietal lobes Include the sensory cortex Occipital lobes Include the visual areas, which recive visual information from the opposite visual field Temporal lobes (behind ear) Include the auditory areas. Functions of the Cerebral Cortex Motor Cortex Area at the rear of the frontal lobes that controls voluntary movements Sensory cortex Area at the front of the parietal lobes that registers and processes body sensations.
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Language Functions Aphasia Impairment of language, usually caused by left hemisphere damage either to Broca’s area (impairing speaking) or to Wernicke’s area (impairing understanding) Broca’s Area An area of the left frontal lobe that directs the muscle movements involved in speech Wernicke’s Area An area of the left temporal lobe involved in language comprehension and expression Association Areas More intelligent animals have increased uncommitted or association areas of the cortex Viewing the brain We now have nay different ways of “seeing” the brain in addition to autopsy EEG (electroencephalogram) An amplified recording of the waves of electrical activity that sweet across the brain’s surface These waves are measured by electrodes placed on the scalp. Seeing the brain CT (computed tomography) Scan A series of x-ray photographs taken from different angles and combined by computer into a composite representation of a slice through the body; also called CAT scan PET (positron emission tomography) Scan A visual display of brain activity that detects where a radioactive for of glucose goes while the brain performs a given task MRI (magnetic resonance imaging) A technique that uses magnetic fields and radio waves to produce computer-generated images that distinguish among different types of soft tissue; allows us to see structures within the brain Functional MRI Functional MRI scan shows the visual cortex activated as the subject looks at faces.
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Brain Plasticity The brain’s capacity for modification, as evident in brain reorganization following damages (especially in children) and in experiments of the effects of experience on brain development. Our Divided Brain
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CH.17 Organizational Culture - Psy101 Lecture 4 Notes...

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