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Psychology approaches > Biopsychology > Flashcards

Biopsychology Flashcards

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1
Q

What is the nervous system?

A

a specialized network of cells that is the primary mode of communication

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2
Q

What is the nervous system made up of?

A

The peripheral and central nervous systems

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3
Q

How does the nervous system communicate?

A

Via electrical impulses

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4
Q

What are the 2 main functions of the nervous system?

A

-collect, process, and respond to environmental stimuli
-coordinate the working of different organs and systems in the body

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5
Q

What is the function of the central nervous system?

A

It is the origin of all complex commands and functions

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6
Q

What is the CNS made up of?

A

The spinal cord and brain

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7
Q

What is the function of the brain?

A

It is the center of all conscious awareness

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8
Q

What are the 3 functions of the spinal cord?

A

-It’s responsible for reflex actions
-It passes messages to and from the brain
-It connects the nerves to the PNS

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9
Q

What are the 2 functions of the peripheral nervous system?

A

-To send info from our outside world to the CNS and then from the CNS to our glands
-To transmit messages to and from CNS through neurons

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10
Q

What are the 2 divisions of the peripheral system?

A

The autonomic nervous system and the somatic nervous system

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11
Q

What is the function of the somatic nervous system? and what is it responsible for

A

It controls voluntary muscle movement
Is responsible for receiving info from our senses and sending it to CNS and transmitting info from CNS to effector organs

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12
Q

What is the function of the autonomic nervous system?

A

It controls vital functions in the body such as breathing and stress responses that are involuntary

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13
Q

What are 2 divisions of the autonomic nervous system?

A

The sympathetic nervous system and the parasympathetic nervous system

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14
Q

What is the function of the sympathetic nervous system?

A

It prepares the body for fight or flight mode in the face of stress

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15
Q

What are the symptoms of the sympathetic nervous system activated?

A

-inc heart rate
-inc breathing rate
-dilated pupils
-inc blood pressure
-digestion stops

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16
Q

What is the function of the parasympathetic nervous system?

A

It regulates the body’s functions to conserve energy
(rest and digest)

17
Q

What are the symptoms of the sympathetic nervous system activated?

A

-dec heart rate
-dec breathing rate
-constricted pupils
-dec blood pressure
-digestion starts

18
Q

What is the sympathetic and parasympathetic nervous system?
(to do with which is active when)

A

antagonistic
(one or the other is active they can’t both be at the same time)

19
Q

Explain a difference in the autonomic and stomatic nervous system

A

Our somatic nervous system involves things you can consciously sense and do. Your autonomic nervous system works without you thinking about it

20
Q

Explain one difference in the sympathetic and parasympathetic nervous system

A

The sympathetic nervous system carries signals that put your body’s systems on alert, your parasympathetic carries signals that relax those systems.

21
Q

Explain one difference between the central and peripheral nervous system

A

The central nervous system is made up of the brain and spinal cord. The peripheral nervous system is made up of nerves that branch off from the spinal cord and extend to all parts of the body.

22
Q

What is the function of the endocrine system?

A

It controls vital functions in the body by instructing glands to release hormones into the bloodstream which are carried to the effector organs

23
Q

What are 2 differences between the endocrine and nervous system?

A

The endocrine is slower and more widespread than the nervous system, which means it takes longer but the effects last longer

The endocrine system uses chemical signaling (hormones, produced by glands) while the nervous system uses electrical signaling (neural impulses)

24
Q

Define glands

A

Organs that produce hormones

25
Q

Define hormones

A

Chemical messengers that circulate in the bloodstream to affect target organs

26
Q

What 4 glands do you need to know?

A

-Pituitary gland
-Adrenal gland
-Pineal gland
-Ovaries

27
Q

What is the function of the Pituitary gland?

A

To control the release of hormones from all other glands

28
Q

What is the function of the adrenal gland?

A

To release adrenaline and noradrenaline for activation of fight or flight

29
Q

What is the function of the pineal gland?

A

It releases melatonin to help you sleep

30
Q

What is the function of the ovaries?

A

It releases estrogen to regulate menstrual cycle

31
Q

When do the endocrine and. nervous systems work together?

A

In fight or flight when responding to stressful situations

32
Q

Outline the functions of the sympathetic and parasympathetic systems in the fight or flight response
(7 step process)

A

1-threat
2-hypothalamus
3-activates sympathetic NS
4-Message to adrenal glands
5-Release of adrenaline and noradrenaline
6-Body responses (fight or flight)
7-Once threat decreases, parasympathetic NS is activated

33
Q

Name the hormones released in the fight or flight response and which gland are they released from.

A

Adrenaline or noradrenaline which is released from the adrenal gland

34
Q

What 2 glands form part of the endocrine system?

A

Hypothalamus
Pituitary

35
Q

What is the function of the hypothalamus?

A

It helps produce hormones that regulate heart rate and body temp

36
Q

What is the function of the pituitary gland?

A

To control the release of hormones from all other glands

37
Q

What is the role of sensory neurons?

A

Registers input from senses and transports them to the CNS (relay neuron)

38
Q

What is the role of relay neurons?
what do they connect?

A

They decide what to do and pass the message on to the brain
Connect sensory and motor neurons

39
Q
A

Psychology approaches (8 decks)

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