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next test Flashcards

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The Brain flashcards
0
Q

synchronized

A

high amplitude (high voltage) and low frequency

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1
Q

EEG-

A

electroencephalogram

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2
Q

Desynchronized

A 
low amptitude (low voltage) and high frequency 
(looks like the lie detector test lines)
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3
Q

What important about the high and low amptitude

A

thats when the nueons are firing together. When you got all firing at the same time like.
When combined it created high wave (long wave)

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4
Q

when its high amptutde

A

that means tthat all neurons are working together.. coming together

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5
Q

insynchroning

A

synchornized

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6
Q

out of synchroning

A

desynchronized (low amplitude)

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7
Q

when you alert are you in high amptitude or low

A

low amptitude eeg_ desynchronized (neurons firing differently (independent) ffrom each other

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8
Q

drowsy low or high amptitude and why >

A

high aptitude eeg= synchronized neuroal firing (neurons firing in rythyn (together ) from one another.

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9
Q

EOG

A

eye movements

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10
Q

EMG

A

MUSCLE TENSION

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11
Q

Eeg

A

BRAIN WAVES

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12
Q

3 Stages of sleep

A

EEG- Electroencephalogram
EOG- Electrooculogram
EMG- Eelectromyogram

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13
Q

What do the waves look like when someone is awake?

A

low voltage, high frequency

the lines are small and fast

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14
Q

Alpha waves?

A

It happens right before sleep.

When eyes are shut and prepares to go to sleep.

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15
Q

What Hz EEG waves do alpha waves have?

A

8 to 12 Hz

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16
Q

What happens to the voltage and frequency as someone is falling asleep?

A

the voltage increases and frequency decreases.

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17
Q

REM

A

Rapid eye movement

18
Q

K complex

A

large negative wave (upward) followed by a positive wave (downward)

19
Q

A K-complex that is positive goes in what direction?

A

Downward

20
Q

A K-complex that is negative goes what direction?

A

Upward

21
Q

Delta waves

A

Largest and slowest EEG wave

Occurs in stage 3

22
Q

When some one is alsleep what is the voltage and frequency of the EEG?

A

High voltage, low frequency waves

23
Q

Once someone is fully asleep…

A

loss of tone in the muscles

24
Q

Rem sleep occurs in what stage?

A

Stage 1

25
Q

NREM

A

Non-rem sleep.

26
Q

Rem has _____ altitude and _____ frequency

A

Low, high

27
Q

synchronized

A 
High amplitude (High voltage) and low frequency
The veryyyy wavy wave
28
Q

Desynchronized

A

Low amplitude (low voltage and high frequency

29
Q

when neurons are all firing in rythym with one another (“in synchrony”) EEG is…

A

a. low amplitude, low frequency

b. High amplitude, low frequency

30
Q

When drowsy, the amplitude is ___ and ___chronized. Rythym is…

A

High. Synchronized. is with rhythm with one another

31
Q

when alert, aptitude is ___synchronized. and neurons are firing ____ from one another

A

desynchronized. independent

32
Q

optic chiasm

A

where the optic nerves cross

33
Q

corpus callosum cut

A

Split brain

34
Q

Objects in the left visual field project to the left or right of the hemisphere?

A

the right

35
Q

Objects of the right visual feild project to the right or left of the hemisphere ?

A

the left

36
Q

what does the right hemesphere do?

A

Thinks, remembers, learns, percieves, at human level`

37
Q

Carousel apparatus

A

Used to deprive rats of sleep

38
Q

Sleep walking occurs during which which stages ?

A

3 or 4

39
Q

Signing fried believed that…

A

Dreams are triggered by unacceptable repressed wishes often sexual nature

40
Q

Hobsons theory was the … Starts with a

A

Activation synthesis theory

41
Q

What is the activation synthesis theory

A

Observation that during REM sleep. information to the cortex

42
Q

Recuperation theories

A

Being awakened, disrupts homeostasis (internal psychological stability) in body is supposed to restore what you disrupted

43
Q

Adaption theories of sleep of the activation synthesis theory

A

Sleep is not a reaction to descriptive effects of being awake but result of 24 hour automatic mechanism that we as humans are programmed to sleep at night regardless of day time routines

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