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How Biological Factors Affect Cognitive Processes

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´╗┐How Biological Factors Affect Cognitive Processes Biological Factors: A factor is a substance necessary to produce a result or activity in the body. The term is used when the chemical nature of the substance is unknown. Biological factors are the substances that bring results in biological systems. For example in the human system, red blood cells are biological factors. Cognition: all the mental activities associated with thinking, knowing, remembering and communicationg Cognitive Processes: Perception, thinking, problem solving, memory, language attention ________________ Explain how biological factors (these studies) affect Cognition (memory) Alzheimer?s Disease: A progressive and irreversible brain disorder characterized by the gradual detioration of memory, reasoning, language and physical functioning BIOLOGICAL CAUSES COGNITIVE IMPACT 1. Damage to the neurotransmitter acetylcoline 2. ...read more.


Speaking and understanding of language areas also see damage: Wernickes are and Broca?s area. Martinez and Kesner Study: Tested the effect of acetylcholine on memory 1. Showed a cause and effect relationship between acetylcholine (biological) and memory formation (cognitive) in rats. HM Study: Milner and Scoville (1957) 1. After having surgery for his seizures, HM was missing part of his hippocampus?an area known for it?s use in memory. Without part of his hippocampus (biological), he was unable to form new memories (cognitive); he had anterograde amnesia. Cortisol and Memory: Lupien Study 1. Studied the link between cortisol, a stress hormone (biological), and memory. ...read more.


People encoded irrelevant information to them 3. Given a perspective to remember details, 7% more on 2nd perspective Darly and Gross: if cognitive effects of labeling change how we perceive others through socioeconomic status 1. Showed a video with two different socioeconomic groups 2. Low socioeconomics was treated to lower scores than high socioeconomics Atkinson and Shiffrin (1968): multistore memory model describers memory as information flowing through a system 1. Sensory-> STM -> **LTM **if rehearsal 2. Sensory -> STM: only encode if we pay attention to it Baddeley and hitch (1974): Working memory model believes that STM is a multiple stage process 1. Central exec.: controls slave system; attentional control 2. Episodic buffer: temporary and passive display store 3. Phonological loop: receive info from memory in the form of auditory ...read more.

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