Biopsychology - 3/31-4/2
Biopsychology - 3/31-4/2
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This 3 page was uploaded by Sierra Wollen on Wednesday April 16, 2014. The belongs to a course at University of Washington taught by a professor in Fall. Since its upload, it has received 115 views.
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Date Created: 04/16/14
Study Guide 331 41 42 L Content was only in lecture T Content is only in textbook AKA Also known as Lectures 331 41 42 and Chapter 1 9 The scienti c study of the neurosystem Divided into many categories including biological psychology First neuroscientists were philosophers T The study of the biological bases of psychological processes and behavior How do the brains of a drug addict and a healthy individual compare What does addiction look like in the brain AKA behavioral neuroscience brain and behavior physiological L but see overlap on page 13 consciousness section A debate first brought about by early philosophers namely Rene Descartes The early question was whether the mind and the body were separate entities Now biological psychologists want to know how the brain produces the mind I A philosopher in the 1600s who is famous for his idea of dualism as well as his primitive speculations about nerves and re exes H The idea that humans are comprised of a material bodybrain and an immaterial mind or soul Early philosopher Descartes held this view Dualism is widely rejected by biological psychologists who believe the brain produces the mind but are not yet sure how The idea that different brain regions specialize in specific behaviors The Occipital Lobe specializes in vision Support for localization Lesion studies when one part of brain is damaged a behavior is affected It is possible to measure peaks of function in certain brain areas The success of TMS Transcranial magnetic stimulation proves it is possible to impede certain behaviors when specific brain areas are stimulated Localization is complicated because neurons communicate across regions I A technique in which an area of the brain is damaged in order to see the resultant change in behavior 2 Lobotomy in which the frontal lobe is damaged effected patients personalities independence motivation and empathetic skills Supports localization of function I A pseudoscientific fad in which people believed that bumps on the skull were due to enlargement of brain areas responsible for certain behaviors Worked with idea of localization of function but was incorrect I Ability of the nervous system to change in response to experience or environment 2 Around damaged neurons healthy neurons around site change shape and function to mimic damaged neurons L but see overlap on page 9 point 4 Neurons are discrete entities that communicate electrically within the cell and chemical between cells Need to find out how electrical and chemical processes allow communication Within and btwn neurons and thus create our conscious experience L Used Golgi Stain stains small of whole neurons and discovered the Neural Doctrine L Set of facts discovered by Cajal about neurons 1 Neurons are structuralfunctional units of nervous system 2 Neurons are discrete entities 3 Cell bodies axons dendrites 4 Action potentials are directional T Manipulates body structurefunction and observes resultant changes in behavior lesion studies T factor that is manipulated brain damage lesion T factor measured to monitor change in response to independent variable behavior change due to lesion T Alter or control behavior and observe resultant changes in body structure Indp V behavior Dept V body change Administering cocaine to rats and observing change in brainneurotransmitters T quanti es cooccurrence of behavior and somatic change schizophrenia symptoms along with enlarged brain ventricles Negative correlation measure 1 goes up while measure 2 goes down vise versa Positive correlation measures increase OR decrease together Correlation 75 causation T Relation of cause and effect can conclude experimental manipulation has specifically caused result Can t know causality with correlational study T Figure 19 don39t memorize but understand generally Scope of experimental approaches need to use levels that are just simple enough 2 Social interaction organs neural systems brain region circuit level cellular level synaptic level molecular level
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