Lecture - 6 - April 11

Lecture - 6 - April 11 - THE BRAIN STRUCTURE AND FUNCTION...

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THE BRAIN: STRUCTURE AND FUNCTION The Divided Brain - How? Vogel and Bogen ( 1961 ) , two Los Angeles neurosurgeons, in an e ff ort to curb epilepsy in their patients decided to cut the corpus callosum, the large band of neural fibers that connects the two hemispheres. The seizures were all but eliminated and the split brai n patients seemed surprisingly normal.
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THE BRAIN: STRUCTURE AND FUNCTION The Divided Brain - Consequences? “Apple!” “?????” Gazzaniga and Sperry: Studies with Split - Brain Patients
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THE BRAIN: STRUCTURE AND FUNCTION The Divided Brain - Consequences? Gazzaniga and Sperry: Studies with Split - Brain Patients
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FIRST MIDTERM One week today - Monday, April 18th 40 - 45 multiple choice questions It will cover lecture notes 1 to 8 and chapters 1, 2, 3 ( what we cover Friday ) , 5 and the prologue. Most questions will come from lectures and associated sections in the text, but some questions will come from parts of the text not covered in lectures ( these wont be too specific; instead, they will be more general, testing major concepts ) . You are not responsible for “interesting facts” listed for major psychologists or specific details from videos ( these are only meant to reinforce and facilitate understanding of primary concepts from lecture and the textbook ) . Remember to bring your questions to class: questions # 1 - 5 ( note: questions 4 and 5 are yet to be posted ) . I will select 2 of those questions for you to hand in to be marked. And remember to bring a big pink scantron.
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Chapter 5 DEVELOPING THROUGH THE LIFESPAN
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CONCEPTION Conception A single sperm ( male ) penetrates the outer coating of an egg ( female ) and fuses to form one fertilized egg.
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Prenatal Development PRENATAL DEVELOPMENT AND THE NEWBORN Embryo ( 3 weeks - 8 weeks ) Fetus ( 9 weeks to birth ) Zygote ( conception - >2 weeks ) rapid cell division attaches to uterine wall at 10 days Placenta forms organs begin to form/function heart begins to beat Figure a and b looks human responsive to sound ( 6 month ) Figure c and d
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Prenatal Development PRENATAL DEVELOPMENT AND THE NEWBORN Dark Blue = Most Sensitive Light Blue = Less Sensitive Teratogens are agents ( chemicals or viruses ) that can reach the embryo or fetus during prenatal development and cause harm.
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Prenatal Development - Some Dangers Fetal Alcohol Syndrome refers to the physical ( e.g., microcephaly ) and cognitive abnormalities ( e.g., mental retardation, irritability, hyperactivity ) caused by a pregnant woman’s heavy drinking.
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