Chapter 2 Flashcards Preview

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Flashcards in Chapter 2 Deck (33):
1

Autonomic Nervous System

Regulates CV, endocrine, and digestive functions

2

Peripheral nervous system

Neural networks outside the brain and spinal cord

3

Somatic nervous system

Controls musicals movement

4

Epigenetics

Study of factors other than inherited DNA sequence that alters the phenotype

5

Genes

Long DNA molecules and units of heredity appearing on chromosomes

6

Negative affect

Unpleasant emotional symptoms

7

Basal ganglia

Brain area controlling motor behavior and involved in OCD

8

Diathesis-stress model

Hypothesis that both inherited tendency and specific conditions are required to produce a disorder

9

Neuron

Individual nerve cell

10

Axon

Nerve branches that transmit outgoing electrochemical impulses

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Dendrite

Nerve cell branches that receive incoming electrochemical information

12

Receptor

Location on cells that receive chemical impulses

13

Synaptic cleft

Space between cells where chemicals move impulses from one cell to the next

14

Beta adrenergic receptor

Nervous system location stimulated by norepinephrine to increase blood pressure and heart rate

15

Neurotransmitter

Chemical that transmits impulses from one neuron to the next

16

Implicit memory

Inability to recall past events despite acting in response to them

17

Explicit memory

Recollection of actual events

18

Brain stem

Lower part of the brain responsible for many life-sustaining automatic functions

19

Cerebellum

Brain area controlling motor coordination, possibly involved in autism spectrum disorder

20

Reticular activating system (RAS)

Midbrain area responsible for tension and arousal processes, including sleep and wakefulness

21

Thalamus

Small region deep inside the brain associated with regulation of behavior and emotion

22

Limbic system

Forebrain area involved in emotion, impulse control, and drive regulation

23

Amygdala

Almond-shaped region thatbregulates emotions and impulse control

24

Cerebral cortex a

Largest pet is the forebrain, divided into two hemispheres

25

Temporal lobe

Cerebral hemisphere area associated with sight and sound recognition and long-term memory storage

26

Parietal lobe

Cerebral hemisphere area responsible for recognizing touch sensation

27

Frontal lobe

Forward section of each cerebral hemisphere, most responsible for thinking and memory

28

Occipital lobe

Cerebral hemisphere area that integrates and makes sense of visual inputs

29

Agonist

Chemical substance that effectively increases activity of a neurotransmitter

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Antagonist

Substance that decreases or blocks effects of a chemical

31

Inverse agonist

Substance that produces effects opposite those of a particular chemical

32

Reuptake

Process in which chemicals are drawn back into the discharging cell after being released

33

Modeling

Learning through observation and imitation of the behavior of others