Unit 3 Neuroscience/Biological Bases of Behavior

Question 1

Announcing discoveries about the interplay of our biology and our behavior and mind at and exhilarating pace

Answer 1

Biological psychologists

Question 2

Nerve cells

Answer 2

Neurons

Question 3

Receive info and conduct it toward the cell body

Answer 3

Dendrites

Question 4

Passes the message through its terminal branches to other neurons or to muscles or glands

Answer 4

Axon

Question 5

Layer of fatty tissue that insulates them and speeds axons pulses

Answer 5

Myelin sheath

Question 6

Brief electrical charge that travels down its axon

Answer 6

Action potential

Question 7

Resting pause

Answer 7

Refractory period

Question 8

Combined signals trigger an action potential

Answer 8

Threshold

Question 9

Neurons reaction

Answer 9

All or none response

Question 10

Meeting point between neurons

Answer 10

Synapse

Question 11

Release of chemical messengers

Answer 11

Neurotransmitters

Question 12

Sending neuron reabsorbs the excess neurotransmitters

Answer 12

Reputake

Question 13

Neurotransmitters molecules that help explain good feelings

Answer 13

Endorphins

Question 14

Binds its receptors and mimics its effects

Answer 14

Agonist

Question 15

Bind to receptors but block a neurotransmitters function

Answer 15

Antagonists

Question 16

Body’s speed electrochemical communication network

Answer 16

Nervous system

Question 17

Brain and spinal cord

Answer 17

Central nervous system

Question 18

Sensory and motor neurons that connect the central nervous system to the rest of the body

Answer 18

Peripheral nervous system

Question 19

Bundled axons that form neural “cables” connecting the central nervous system with muscles, glands, and sends organs

Answer 19

Nerves

Question 20

Neurons that carry incoming info from the sensory receptors to the brain and spinal cord

Answer 20

Sensory neurons (afferent)

Question 21

Neurons that carry outgoing info from brain to spinal cord to muscles and glands

Answer 21

Motor neurons (efferent)

Question 22

Neurons within the brain and spinal cord that communicate internally and intervene between the sensory inputs and motor outputs

Answer 22

Interneurons

Question 23

Division of the peripheral nervous system that controls the body’s skeletal muscles

Answer 23

Somatic nervous system

Question 24

Part of the peripheral nervous system that controls the glands and the muscles of the internal organs

Answer 24

Autonomic nervous system

Question 25

Division of the automatic nervous system that arouses the body, mobilizing its energy in stressful situations

Answer 25

Sympathetic nervous system

Question 26

Division of the autonomic nervous system that calms the body, conserving its energy

Answer 26

Parasympathetic nervous system

Question 27

Simple automatic response to a sensory stimulus

Answer 27

Reflex

Question 28

The body’s slow chemical communication system

Answer 28

Endocrine system

Question 29

Chemical messengers that are manufactured by the endocrine glands travel through the bloodstream and affect other tissues

Answer 29

Hormones

Question 30

Pair of endocrine glands that sir above the kidneys and secrete hormones

Answer 30

Adrenal glands

Question 31

Endocrine systems most influential gland

Answer 31

Pituitary gland