mod 6

Question 1

What is split brain

Answer 1

A surgery that cuts the 2 hemispheres of the brain. initial procedure was to reduce seizures

Question 2

What is hemispheric specialization

Answer 2

refers to the idea that the brains 2 hemispheres have different functions

Question 3

what is attention

Answer 3

process of selecting info from the internal and external environments to prioritize for processing

Question 4

Passive attention

Answer 4

occurs when attentional priorities are set by bottom-up info from an environment

Question 5

When does selective attention occur

Answer 5

When you attend to one source of info while ignoring other stimuli

Question 6

Stimulus salience

Answer 6

some stimuli in the environment capture attentions by virtue of their physical properties

Question 7

Cocktail party effect

Answer 7

a person at a party can be engaged in a conversation and ignore the stuff around them

Question 8

Dichotic listening task

Answer 8

participant asked to wear headphone playing dif messages in each ear, told to attend to and repeat info from one ear, easy for most but difficult to recite the ignored ear

Question 9

people with lesions on the right parietal lobe of the cortex lose awareness of______

Answer 9

visual stimuli on the left

Question 10

stimuli in the neglected field can influence _____ even if they are not consciously aware of it

Answer 10

behaviour

Question 11

Alpha activity:

Answer 11

awake but relaxed

Question 12

Sleep spindles:

Answer 12

brief bursts of activity that happen roughly 2-5 times per min during non-rem stages of sleep

Question 13

K-complexes:

Answer 13

a pattern of neural excitement followed by neural inhibition occurring during stage 2 sleep

Question 14

Slow wave sleep:

Answer 14

• sleep occuring in stage 3-4 transition to delta activity
• slow wave sleep transitions into rem sleep after around 45 mins
• when sleepwalking occurs

Question 15

REM

Answer 15

when vivid dreams happen

Question 16

Insomnia:

Answer 16

inability to fall asleep or stay awake

Question 17

Conditioned insomnia:

Answer 17

cues for falling asleep (like getting into bed) cause anxiety and the inability to sleep

Question 18

Idiopathic insomnia:

Answer 18

child onset insomnia, neurological condition resulting in the inability of sleep

Question 19

Hypersomnia:

Answer 19

excessive sleepiness

Question 20

Sleep apnea

Answer 20

stop breathign in sleep

Question 21

Narcolepsy

Answer 21

sudden extreme need for sleep

Question 22

Hypnagogic hallucionations

Answer 22

hallucinations before sleep

Question 23

hypnopompic hallucinations

Answer 23

hallucinations before waking up

Question 24

Biological clocks:

Answer 24

internal clocks that prepare the body for daily, seasonal and annual rhythms

Question 25

circadian rhythms:

Answer 25

daily internal clocks that tells the body when to sleep and to wake.

Question 26

Without time cues like light, humans would reverse to a ____ hour clock

Answer 26

25

Question 27

SCN

Answer 27

structure in brain next to the optic chiasm that sets the bodys circadian clock

Question 28

Psychoactive drugs:

Answer 28

substances from the environment other than food that affect mood, behaviour, thoughts

Question 29

Alcohol inhibits the effectiveness of _____

Answer 29

glutamate (neurotransmitter that causes excitatory effects)