UT Arlington PSYC 3322 - Brain&BehaviorOrigins (26 pages)

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Brain&BehaviorOrigins



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Brain&BehaviorOrigins

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Pages:
26
School:
University of Texas at Arlington
Course:
Psyc 3322 - Brain and Behavior

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CHAPTER 1 What Are the Origins of Brain and Behavior The Brain The Brain Gross anatomy of the nervous system Behavior Complexity of behavior varies considerably in different species Simple Nervous System Narrow Range of Behavior Complex Nervous System Wider Range of Behavior Behavior Aristotle Descartes and Darwin brain and behavior rela5onship Ancient Greece Aristotle Mentalism Aristotle Descartes and Darwin brain and behavior rela5onship Descartes Dualism Mind Body Problem Aristotle Descartes and Darwin brain and behavior rela5onship Darwin Materialism Natural Selection How are traits are selected naturally Appearance of New Trait e g via mutation Adaptive Trait Increases Chances of Survival Trait Passed on to Offspring Evolution of Brain and Behavior Origin of Brain Cells and Brains Despite the age of the Earth 4 5 billion years brain cells and brains are quite recent adaptations First forms of life 3 5 billion years ago First brain cells 700 million years ago First brain 250 million years ago First human like brain 6 million years ago Modern human brain 200 000 years ago Evolution of Brain and Behavior Classification of Life Taxonomy branch of biology concerned with naming and classifying species Taxonomy of Modern humans Evolution of Brain and Behavior Evolution of Animals Having Nervous Systems Five different kingdoms Evolution of Brain and Behavior Evolution of Animals Having Nervous Systems Nerve net Segmented nerve trunk Ganglia Chordates Notochord Evolution of Brain and Behavior The Chordate Nervous System Nervous systems vary widely among chordates but all Bilaterally symmetrical and segmented Brain and spinal cord encased in cartilage bone Crossed organization Spinal cord lies behind the heart and gut Evolution of Brain and Behavior The Chordate Nervous System Behavioral complexity among chordates is related to the evolution of cerebral hemispheres and cerebellum Evolution of the Human Brain and Behavior Humans Members of the Primate Order Features



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