Ch 3 Notes Biopsychology

Ch 3 Notes Biopsychology - BIOPSYCHOLOGY AND THE F...

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BIOPSYCHOLOGY AND THE FOUNDATIONS OF NEUROSCIENCE CHAPTER 3 AP Psychology Forest Grove High School Mr. Tusow
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Psychology and Biology Everything psychological is simultaneously biological. To think, feel or act without a body would be like running without legs. We are bio-psycho-social systems. To understand our behavior, we need to study how biological, psychological and social systems interact.
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The Brain, The Mind and Psychology The human brain is the most complex system, natural or man made, in the world. About 3 lbs. About the size of a grapefruit Pinkish/gray in color About 100 billion nerve cells At a loss rate of 200,000 per day during our adult lives we still end up with over 98% of or brain cells. Nerve Cells Relative Size of Human Brain
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Biopsychology Biopsychology: The specialty in psychology that studies the interaction of biology, behavior and mental processes. The mind thinking about the mind. Neuroscience is a newer field of study in psychology focusing on the brain and our behavior.
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Innate Abilities We are born with certain innate abilities, or things we are already programmed to do. But, there are things we must learn. Evolution is the gradual process of biological change that occurs in a species as it adapts to its environment. Polydactyl Disorder (postaxial) Antonio Alfonseca
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The Role of Evolution Evolution has fundamentally shaped psychology because it favors genetic variations that produce adaptive behavior. The evolutionary process is the link between genetics and behavior.
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Natural Selection Natural selection says those individuals best adapted to the environment are more likely to flourish and reproduce; those that are poorly adapted will tend to leave fewer progeny, and their line may die out. For those individuals whose ancestors had accumulated new traits that allowed them to survive, the result “would be the formation of a new species (Darwin, 1859).”
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Natural Selection Owl butterfly example http://www.youtube.com/watch?v=dR_BFmDMRaI
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Misconceptions About Evolution There are two main misconceptions about evolution and evolutionary psychology. 1. Darwin said humans come from monkeys. In reality he suggests that we had a common ancestor millions of years ago. 2. Behavior can alter heredity. People didn’t start growing bigger brains so they could communicate with language, but people who had bigger brains and could communicate had an easier time surviving. As a result, a bigger brain became a dominate trait in humans.
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Evolution as an Accepted Theory… The majority of sciences recognize evolution as a valid theory for more than a century. Psychology has been slow to accept evolutionary
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This note was uploaded on 12/07/2011 for the course PSYCH 111 taught by Professor Larson during the Fall '11 term at BYU.

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Ch 3 Notes Biopsychology - BIOPSYCHOLOGY AND THE F...

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