Psychology 1101 Chapter 3 – Flashcards
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Psychological researchers study genetics in order to better understand the ________ that contributes to certain behaviors
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biology
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A difference in ________ can explain why one person dies from a disease and another person survives.
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genetics
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Human eggs and sperm each contain 23 ________, which are composed of long strands of ________.
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chromosomes; DNA
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Changes in behavior and cognitive processes over time are studied by
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evolutionary psychologists
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Polygenic
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most traits are controlled by more than one gene
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The two major divisions of the nervous system are the
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central; peripheral nervous systems
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central nervous system
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the brain and the spinal cord
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pons
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connects the brain and the spinal cord
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computerized tomography (CT) scan
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scan involves taking a number of x-rays of a particular section of a person's body or brain.
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electroencephalography (EEG)
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Researchers place electrodes at various locations on a person's head in order to record brainwaves
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The endocrine system consists of a series of glands that produce chemical substances known as ________.
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hormones
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evolution by natural selection theory
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states that organisms that are better suited for their environment will survive and reproduce, while those that are poorly suited for their environment will die off.
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genotype
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genetic makeup of an individual
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phenotype
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individual's inheritable physical characteristics
