Biological psychology Flashcards

(61 cards)

1
Q

Biopsychologists study…

A

the relationship between brain activity and mental states

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2
Q

According to biopsychology, eating disorders…

A

have biochemical triggers

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3
Q

Human behaviors and feelings are primarily controlled by…

A

the brain, nerves and hormones

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4
Q

Neurons are a part of the…

A

nervous system

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5
Q

An example of neuroplasticity is…

A

a blind person having a heightened sense of smell

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6
Q

The two biological system that affect our behavior are…

A

The nervous system and the endocrine system

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7
Q

the nervous system is

A

an interconnected network of nerve cells allowing us to sense the things going on around us so we can react

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8
Q

The endocrine system includes

A

hormone-producing glands

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9
Q

The brain, nerves and hormones are responsible for

A

our thoughts, feelings and actions

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10
Q

Neuroplasticity is

A

the brain’s ability to reorganize in response to damage, new experience and new abilities

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11
Q

Neurotransmitters are

A

chemical signals bw neurons

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12
Q

A myelin sheath…

A

covers the axon and boosts the speed of signals.

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13
Q

The action potential occurs when

A

a neural impulse is traveling through the body

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14
Q

The all-or none law states that

A

once the neuron receives the signal, it has to fire it off. if there is no signal (no perception) there is no reaction.

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15
Q

The synaptic gap is

A

the space through which the signal flies from a neuron to another (less than 1 million of an inch)

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16
Q

Describe the neuronal process bw neurones

A

The signal (ball) flies over the synaptic gap (field) to another neuron (player) and the process repeats itself. The dendrite receives the chemical signal or neurotransmitter > excites the neuron > sodium ions enter the neuron and charge it > an electric current travels through the axon > and the terminal branches fire off the signal over the synaptic gap to the next neuron.

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17
Q

a refractory period is when…

A

neuron pumps out the sodium ions. Neuron sweats them all out and returns to his normal state, or resting potentia

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18
Q

The part of the neuron that receives signals is called a

A

dendrite

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19
Q

Your sensory neurons fire signals to_______ which fire signals off to_______

A
brain neurons
motor neurons (for muscular reaction)
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20
Q

the neurotransmitter serotonin regulates

A

appetite, sex drive, moods and ability to sleep

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21
Q

Dopamine affects your ability to

A

concentrate and learn

react and move

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22
Q

During exercise, neurotransmitters called endorphins

A

reduce pain and stress

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23
Q

A neuron is a type of

A

nerve cell

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24
Q

A dopamine deficiency can cause

A

Parkinson’s disease

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25
A the center of the control system are
the brain and spinal cord making up the central nervous system
26
The peripheral nervous system is composed by
sensory neurons and motor neurons
27
The autonomic nervous system regulates
automatic responses like heart beat or breathing
28
The parasympathetic nervous system and the sympathetic nervous system are part of the________ nervous system and the automatic nervous system is part of the ________ nervous system
Automatic | peripheral
29
The somatic nervous system involves
a muscular conscious reaction
30
The automatic nervous system includes actions such as
sweating
31
Functions of the central nervous system
can be conscious and unconscious
32
the four oldest parts of the brain are
Brainstem, Thalamus, Reticular formation and Cerebellum
33
The function of the brainstem
control how fast your heart beat and how quickly you breathe
34
The thalamus function is to
receive information from senses and forwards them on to other parts of the brain. It's totally tells your brain about touch and taste
35
The reticular formation's job is
to filter stimuli and pass on important signals.
36
The cerebellum's job is to
help you walk and remember
37
The limbic system is the part of your brain that
controls motivations and emotions
38
the four parts of the limbic system are
Hypothalamus, Hippocampus, Amygdala, Pituitary
39
Your hypothalamus helps regulate
hunger, sex drive, thirst and body temperature
40
Your hippocampus processes
long-term memory
41
Your amygdala is responsible for
feelings of fear and anger
42
Your pituitary gland is a master gland that helps regulate
the release of hormones
43
Your cerebral cortex is made up of four lobes
Frontal, Temporal, Parietal and Occipital
44
The frontal lobe of your brain helps to
peak, coordinate your movements and is also involved when you plan
45
The temporal lobe of your brain
processes information about what you hear
46
The parietal lobe of your brain
processes information about what you touch
47
The occipital lobe of your brain processes
information about what you see
48
This kind of impairment known as Broca's aphasia is
stroke affecting the frontal lobe of the brain that affects ability to talk
49
What can playing a musical instrument do?
It can increase the size of your temporal lobe.
50
What happens when someone has a stroke?
The blood doesn't reach part of their brain.
51
Which of the following can help people with Broca's aphasia recover their communication ability?
Treatment, rehabilitation, and time.
52
The hormones of your endocrine system help to regulate
energy levels, growth, emotions and ability to reproduce
53
Hormones are chemicals that your body produces to tell your cells
how to behave
54
The thyroid gland
regulates your metabolism, or how fast your body uses energy
55
pancreas regulates
how much energy your body gets
56
Your pancreas produces
insulin, the hormone that helps your body absorb sugar in your bloodstream to give it energy
57
Difficulties with any of these glands can
affect moods and the choices we make
58
adrenal glands (on the top of kidneys)
pump out adrenaline hormones when you're faced with stress or excited
59
Male sex glands produce
testosterone
60
Female sex glands produce
estrogen
61
The pituitary gland in your brain is called the 'master gland' because
it secretes hormones that trigger your other glands. It regulates the amount of hormones released by your thyroid, adrenal glands, pancreas and sex glands. It's the command center that controls your body's growth, and signals your ovaries or testes to make testosterone or estrogen.