Unit 2: The Biological Bases Of Behavior Flashcards by Harley Davis

Q

Basic building block

A

Neuron

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Q

Links between biology and behavior

A

Biological psychology

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Q

Receives messages

A

Dendrite

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Q

Life-support center

A

Cell body

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Q

Pass messages, neural impulse

A

Axon

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Q

Forms junctions

A

Terminal branches

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Q

Insulates and speeds neural implies, fatty tissue

A

Myelin sheath

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Q

Electrical impulse

A

Action potential

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Q

Ready to activate; polarized

A

Resting potential

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Q

Minimum level of stimulation; depolarized

A

Stimulus threshold

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Q

Neuron cannot fire until it regains polarity

A

Refractory period

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Q

Junction, communication point between

A

Synapse

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Q

Chemical messages

A

Neurotransmitter

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Q

Muscle action, memory; Alzheimer’s

A

Acetylcholine

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Q

Movement, learning, attention, and emotion; excess dopamine( schizophrenia) starved of dopamine( Parkinson’s)

A

Dopamine

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Q

Mood; depression

A

Serotonin

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Q

Alertness and arousal; depress

A

Norepinephrine

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Q

Inhibitory; seizures, tremors, and insomnia

A

GABA

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Q

Excitatory; migraines

A

Glutamate

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Q

Pain control and pleasure

A

Endorphins

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Q

Block the neurotransmitters; inhibits

A

Antagonists

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Q

Mimics the neurotransmitters

Study These Flashcards

A

Agonists

Q

Speedy communication system

Study These Flashcards

A

Nervous system

Q

Brain and spinal cord

Study These Flashcards

A

Central nervous system

Connects the CNS to rest of the body

Peripheral nervous system

Voluntary movements

Somatic nervous system

Involuntary bodily functions

Autonomic nervous system

Arouses body to expend energy

Sympathetic nervous system

Calms body to conserve and maintain energy

Parasympathetic nervous system

Slow communication; hormones released

Endocrine system

Metabolism

Thyroid glandy

Fight or flight

Adrenal glands

Master gland

Pituitary gland

Central part of brain; automatic survival functions

Brain stem

Heartbeat and breathing

Medulla

Controls arousal

Reticular formation

Sensory switchboard

Thalamus

Coordinated movement

Cerebellum

Emotions and memories

Limbic system

Emotions

Amygdala

Maintenance activities

Hypothalamus

New memories

Hippocampus

Speaking, planning and judgment

Frontal lobe

Bodily senses

Parietal lobe

Visual info

Occipital lobe

Auditory info

Temporal lobe

Uncommitted

Association areas

Language

Aphasia

Modification

Plasticity

Connects the two hemispheres

Corpus callosum

Isated by cutting the connecting fibers

Split brain

Language, speech, writing, math

Left brain

Geometric patterns, faces, emotional expression, music, emotions

Right brain