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Psych 101 > Lesson 3: NEUROBIOLOGICAL BASES OF BEHAVIOR > Flashcards

Lesson 3: NEUROBIOLOGICAL BASES OF BEHAVIOR Flashcards

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1
Q

The nervous system is composed of two main parts

A

• Central Nervous System (CNS)
• Peripheral Nervous System (PNS)

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2
Q

Is it made up of the brain and spinal cord

A

Central nervous system

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3
Q

Encased in the skull which is very tough set of bones

A

Brain

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4
Q

The box within the skull is called?

A

Cranium

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5
Q

3 main parts of the brain

A

• Forebrain
• Mid - brain
• Hindbrain

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6
Q

Is located at the front part of the skull and regulates complex mental processes like thinking and emotional control

Also the largest region of the brain

A

Forebrain

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7
Q

Forebrain consist of

A

Cerebrum
Cerebral cortex
Thalamus
Hypothalamus

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8
Q

Largest of the brain mass

A

Cerebrum

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9
Q

Seat of the higher mental processes

A

Cerebral cortex

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10
Q

Forebrain structure receives information from the senses and relays these information to cerebral cortex for processing

A

Thalamus

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11
Q

Serves as the integrating center of many kinds of physiological activities such as eating, drinking, maintaining body temperature and sex

A

Hypothalamus

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12
Q

It is the smallest division of brain. This part of the brain serves as the connecting link between the hindbrain abd sophisticated forebrain.

A

Mid-brain

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13
Q

Most interesting mid-brain structure. It is located near the pons and serves as “switch on”

A

Reticular formation

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14
Q

It is close to the spinal cord. It composed of the mendulla oblongata, pons, and cerebellum

A

Hindbrain

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15
Q

It is the connecting link between the spinal cord and the brain proper

A

Medulla oblongata

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16
Q

Lies in the brain stem just a little above the mendulla oblongata. It serves as a connection center and is involved in the motor coordination and equilibrium too

A

Pons

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17
Q

Is a large rope-like segments of nerve tissues running along the spine carrying messages between the brain and the peripheral nervous system

A

Spinal cord

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18
Q

Spinal cords divide into two roots

A

• Dorsal
• Ventral

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19
Q

Roots carries sensory nerve fiber

A

Dorsal

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20
Q

Roots carries motor nerve fibers

A

Ventral

21
Q

A small almond structure located directly in front of the hypocampus.

A

Amygdala

22
Q

Is a structure that wraps itself around the thalamus which plays an important role in learning and mastery

A

Hypocampus

23
Q

It branches out from spinal cord and the brain and extended to the extremities of the body

A

Peripheral nervous system

24
Q

PNS composed of 2 major division

A

• Somatic division
• Autonomic division

25
Q

Specializes in the control of voluntary movements of the skeletal muscles and the communication of information to and from sense of organs

A

Somatic division

26
Q

Is concerned with the parts of the body that makes it alive.

A

Autonomic division

27
Q

2 subdivision of Autonomic

A

• sympathetic subdivision
• parasympathetic subdivision

28
Q

Is the part that prepares the body to respond to stressful emergency situation like fight or flight responses.

A

Sympathetic subdivision

29
Q

Acts to calm and relax the body after the emergency situation is resolved.

A

Parasympathetic subdivision

30
Q

Is composed of more than 100 billion cell known as neurons

A

Nervous system

31
Q

They are cluster of fibers at one end of a neuron that receives messages from other neurons

A

Dendrites

32
Q

It is a tube like long extension from the end of a neuron that carries messages to other cells through the neuron

A

Axon

33
Q

They are small branches at the end of axon

A

Terminal buttons

34
Q

Is it the axon protected coating made of fat and protein

A

Myelin sheath

35
Q

Are points of connection between the dendrites of some neurons and the axon of others

A

Synapses

36
Q

Involved in movement motivation, and emotion. It produces feeling of pleasure

A

Dopamine

37
Q

Released in response to behaviors such as vigorous exercise

A

Endorphins

38
Q

The major inhibitory neurotransmitter in the brain

A

GABA (gamma aminobutyric acid)

39
Q

The most common neurotransmitter

A

Glutamate

40
Q

Involved in many functions, including mood, appetite , sleep, and aggresision

A

Serotonin

41
Q

Carries messages from receptors to spinal cord and brain

A

Sensory of efferent neurons

42
Q

Transmit messages from the brain and spinal cord and send them to the motor organs like muscles and glands

A

Motor of efferent neuron

43
Q

Provide connection between sensory and motor neurons

A

Connector neurons

44
Q

3 levels of synaptic connections

A

• reflex level
• Instinctive level
• cortex level

45
Q

Simple, inborn, automatic responses of some parts of the body

A

Reflexes

46
Q

Narrowing pupils of the eyes is in response

A

Pupillary reflex

47
Q

Happens when an object is place on the back of tongue

A

Gagging reflex

48
Q

Common to all members of species

A

Instinctive level

49
Q

It is the most complex of 3 levels

A

Cortex level

Psych 101 (5 decks)

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