PSY 402 Topic 1.2 Outline.docx - 1 of 7 Name:Kaylin Tokuda...

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1 of 7 Name:Kaylin Tokuda Class: Psy-402 Date: January 17 Topic 1.2 Methods of Cognitive Neuroscience 1) Scientific Method a) Observe the environment b) Ask questions c) Research current information d) Hypothesize potential correlations and predictions e) Experiment using controlled procedures f) Draw conclusions on hypothesis validity g) Report results on supported or dismissed hypothesis 2) Cognitive Psychology a) The study of mental activity as an information processing system b) The Basic assumption of cognitive psychology i) Perception, thought, and action depend on internal transformation of data c) Cognitive psychologists tests hypotheses on mental operations by adjusting data input and observing behavioral output d) Two key concepts of cognitive psychology i) Information processing depends on internal representations ii) These mental representations undergo transformations e) When engaging in daily tasks people encounter a great deal of ambiguous stimuli in each case mental operations follow four basic steps: (1) Encode ii) A person must identify the visible target (1) Compare iii) Compare the representation of a target with representation of the target with the representation of the items in memory (1) Decide iv) A person decides whether the target matches an item in memory
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2 of 7 (1) Respond (a) A person responds appropriately based on the decision 3) Studying the Physical Structure of the Brain a) Scientists can explore the neurological structure of the brain via three major methods i) Studying the damaged brain ii) Methods that Perturb Neural Function iii) Structural Analysis of the brain b) While it only makes up 2% of the body mass it utilized 20 % of available oxygen c) The brain is well protected but it can easily be damaged by interior/exterior forces d) By studying the behavior or a person after brain damage, information can be obtained on how parts of the brain influence behavior e) Cerebral Vascular Accidents (CVAs) i) Also known as stroke or apoplexy ii) Occur when blood flow to the brain is suddenly disrupted iii) Most often caused by a substance blocking normal blood flow iv) Onset can be varied depending on the area of brain afflicted v) Symptoms can include
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