Unit 2 Body and behavior/ Consiousness Flashcards

0
Q

REM Sleep

A

A Stage of sleep characterized by rapid eye movements, a high level of brain activity, a deep relaxation of the muscles, and dreaming

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1
Q

Consciousness

A

A state of awareness, including a persons feelings, sensations, ideas, and perception

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2
Q

Insomnia

A

The failure to get enough sleep at night in order to feel rested the next day

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3
Q

Sleep apnea

A

A sleep disorder in which a person has trouble breathing while asleep

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4
Q

Narcolepsy

A

A condition characterized by suddenly falling asleep or feeling very sleepy during the day

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5
Q

Nightmares

A

Unpleasant dreams

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6
Q

Night terrors

A

Sleep disruptions that occur during stage IV of sleep, involving screaming,panic,or confusion

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7
Q

Sleepwalking

A

Walking or carrying out behaviors while asleep

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8
Q

The part of the nervous system that consists of the brain and spinal cord.

A

Central Nervous System (CNS)

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9
Q

The bundle of nerves within the spine that runs down the length of the back and transmits most messages back and forth between the body and brain.

A

Spinal Cord

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10
Q

A network of nerves branching out from the spinal cord that conduct information from the bodily organs to the central nervous system and take information back to the organs.

A

Peripheral Nervous System (PNS)

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11
Q

The long, thin cells that constitute the structural and functional unit of nerve tissue along which messages travel to and from the brain.

A

Neurons

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12
Q

The gap that exists between the axon terminals of the sending neuron and the dendrites of the receiving neuron.

A

Synapse

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13
Q

The chemicals released by neurons, which determine the rate at which other neurons fire.

A

Neurotransmitter

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14
Q

The division of the peripheral nervous system that controls voluntary movement of skeletal muscles.

A

Somatic Nervous System (SNS)

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15
Q

The portion of the peripheral nervous system that controls internal biological functions such as heart rate, breathing, and blood pressure.

A

Automatic Nervous System (ANS)

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16
Q

A form of altered consciousness in which people become highly susceptible to change in thought and behavior

A

Hypnosis

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17
Q

Hypnotist can suggest things that the participant can remember or forget when the trance is over

A

Posthypnotic suggestion

18
Q

A technique in which the person learns his or her psychological process

A

Biofeedback

19
Q

When a person focuses on an image or thought to achieve a clear mind and relaxation

A

Meditation

20
Q

interacts with the central nervous system to alert a persons mood, perception and behavior

A

Psychoactive drugs

21
Q

dried leaves and flowers of India hemp that produce an altered state of consciousness when smoked or ingested

22
Q

Perceptions that have no direct external cause

A

Hallucinations

23
Q

Drugs tat often produce Hallucinations

A

Hallucinogens

24
A potent Psychedelic drug that produces distortions of perceptions and throught
LSD
25
A form of altered consciousness in which we become highly susceptible to changes in behavior or thought.
Hypnosis
26
The hypnotist can suggest things for their participants to remember or forget when the trance is over.
Posthypnotic suggestion
27
A technique in which a person learns to control his or her internal physiological process with the help of feedback.
Biofeedback
28
When a person focuses his or her intention on a goal or though with the goal of cleaning the kind and producing relaxation or inner peace.
Meditation
29
The genetic transmission of characteristics from parents to their offspring.
Heredity
30
Developed from a single fertilized egg, and share the same genes
Identical twins
31
Are the basic building blocks of heredity
Genes
32
Develop from two fertilized eggs, and their genes are not similar than those of brothers and sisters.
Fraternal twins
33
A machine used to record the electrical activity of large portions of the brain
Electroencephalograph (EEG)
34
An imaging technique used to study the brain to pinpoint injuries and brain deterioration
Computerized axial tomography (CAT)
35
An imaging technique used to see which brain areas are being activated while performing tasks
Positron emission tomography (PET)
36
An imaging technique used to study brain structure and activity
Magnetic resonance imaging (MRI)
37
A chemical communication system, using hormones, by which messages are sent through the bloodstream
Endocrine system
38
Chemical substances that carry messages through the body in blood
Hormones
39
The center of control of the endocrine system that secretes a large number of hormones
Pituitary gland
40
Located at rear base of brain, involved with most basic processes of life
Hindbrain
41
Small part of brain above the pons that integrates sensory information and relays it upward.
Midbrain
42
Covering the brains central core, includes thalamus, which integrates sensory input.
Forebrain
43
The different regions in which the cerebral cortex is divided
Lobes