Unit 3.5 Psychology Flashcards Preview

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Flashcards in Unit 3.5 Psychology Deck (17)
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0
Q

Split brain

A

A condition resulting from surgery that isolates the brains two hemispheres by cutting the fibers connecting them

1
Q

Corpus callosum

A

A large band of neural fibers connecting the two brain hemispheres and carrying messages between them

2
Q

Consciousness

A

Our awareness of ourselves and our environment

3
Q

Cognitive neuroscience

A

The interdisciplinary study of the brain activity linked with cognition (including perception, thinking, memory, and language)

4
Q

Dual processing

A

The principle that information is often simultaneously processed on separate conscious and unconscious tracks

5
Q

Behavior genetics

A

The study of the relative power and limits of genetic and environmental influences on behavior

6
Q

Environment

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Every external influence, from prenatal nutrition to the people and things around us

7
Q

Chromosomes

A

Threadlike structures made of DNA molecules that contain the genes

8
Q

DNA

A

A complex molecule containing the genetic information that makes up the chromosomes

9
Q

Genes

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The biochemical units of heredity that make up the chromosomes; segments of DNA capable of synthesizing proteins

10
Q

Genome

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The complete instructions for making an organism, consisting of all the genetic material in that organism’s chromosomes

11
Q

Identical twins

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Twins who develop from a single fertilized egg that splits in two, creating two genetically identical organisms

12
Q

Fraternal twins

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Twins who develop from separate fertilized eggs. They are genetically no closer than brothers and sisters, but they share a fetal environment

13
Q

Molecular genetics

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The subfield of biology that studies the molecular structure and function of genes

14
Q

Heritability

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The proportion of variation among individuals that we can attribute to genes. The heritability of a trait may vary, depending on the range of populations and environments studied

15
Q

Interaction

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The interplay that occurs when the effect of one factor (environment) depends on another factor (heredity)

16
Q

Epigenetics

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The study of environmental influences on gene expression that occur without a DNA change

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