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PSYC #6 Unit 3
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What part of the brain links the forebrain with the hindbrain?
Midbrain
What are the four parts of the hindbrain?
reticular formation
cerebellum
medulla
pons
what part of the hindbrain controls finely coordinated movements?
cerebellum
what part of the hindbrain controls breathing and heart rate?
Medulla
what part of the hindbrain controls sleep and links the brain to spinal cord?
Pons
A cut of a purposeful destruction of a specific part of the brain to learn more about the brain and behavior.
Lesion
Please name the railroad worker whose personality dramatically changed after he suffered damage to his frontal lobe.
Phineas Gage
What machine records electrical activity in large portions of the brain and is used to study sleep?
EEG
What brain imaging machine uses Xrays to produce an image of the Brain's structure?
CT scan
what brain imaging machine shows how the brain functions?
PET scan
What brain imaging machine uses magnets produce an image of the Brain's structure?
MRI
What brain imaging machine shows both the structure and functionning of the brain?
fMRI
Stage one sleep is characterized by what kind of brain waves?
Alpha waves
Stage two sleep is characterized by what kind of brain waves?
Theta waves
Stage four sleep is characterized by what kind of brain waves?
Delta waves
Stage one sleep is characterized by sudden jerks called what?
Hypnic twitches
Stage two sleep is characterized by what kind of EEG waveforms?
Sleep spindles
K complexes
Deep sleep occurs during which sleep stage?
Stage 4
Parasomnias occur duing which sleep stage?
Stage 4
What does REM sleep stand for?
Rapid Eye Movement
REM sleep is also called what?
Active Sleep
Paradoxical
This sleep disorder affects older men; they act out their dreams while asleep.
REM sleep disorder
This sleep disorder is characterized by the inability to fall asleep
Insomnia
This sleep disorder is characterized by suddenly falling asleep.
Narcolepsy
This sleep disorder is characterized by difficulty breathing while asleep.
Sleep Apnea
What kind of psychoactive drugs decrease the activity of the CNS?
Depressants
What kind of psychoactive drugs increase the activity of the CNS?
Stimulants
Alcohol and barbiturates are examples of what kind of psychoactive drug?
depressants
Nicotine, cocaine and caffeine are examples of what kind of psychoactive drugs?
stimulants
Opium, heroin and morphine are exaples of what kind of psychoactive drugs?
Opiates
Raw information form the senses.
Sensation
Raw sensation given meaning in the cerebral cortex.
Perception
What is the conversion of a stimulus into a neural impulse is called?
Transduction
The point at which a person becomes aware of a stimulus is called what?
Threshold
Minimun amount of a stimulus that can be detected 50% of the time.
Absolute threshold theory
Detecting a stimulus in the presence of cometing stimuli.
Signal detection theory
Smallest noticeable increse/decrease in the intensity of a stimulus.
difference threshold
What does JND stand for?
just noticeable difference
What theory states the bigger or stronger the stimulus, the bigger or stronger the change has to be in order for detection to occur?
Weber's Law
The ability to detect a stimulus.
Sensitivity
decreasing responsiveness to an unchanging stimulus.
adaptation
habituation
This is the outer most part of the eye; it bends and focuses light waves into narrow beams.
Cornea
This is the opening of the eye that allows light into the eye.
Pupil
This is the muscle which opens of closes the pupil;gives your eye color.
Iris
This part of your eye bends and focuses light waves into narrow beams inside your eye.
Lens
This part of your eye contains photoreceptors;performs transductions.
Retina
Please name the two kinds of photoreceptor cells found in the eye.
Rods
Cones
What nerve carries visual impulses from the eye to the brain?
Optic nerve
What nerve carries auditory impulses from the ear to the brain?
Auditory nerve
What nerve carries smell impulses from the nose to the brain?
Olfactory nerve
What term refers to the difference between the 2 images we sense?
retinal disparity
What term refers to the process of fusing 2 images into 1 image?
Binocular Fusion
The eardrum is also called what?
Tympanic Membrane
What part of the ear performs auditory transduction?
Cochlea
What kind of deafness is caused when the outer or middle ear cannot carry sound and can be helped with a hearing aid?
Conduction deafness
What kind of deafness is caused by inner ear damage and may be helped with a cochlear implant?
Sensorineural deafness
Kind of mental processing; occurs when we use our experience to form a perception from what we sense.
Top-down processing
Kind of mental processing; occurs when we pull sensations together to form a whole, new perception.
Bottom-up processing
Visual perceptual constancy can occur in what three ways?
color
shape
size
Depth perception can be influenced by what two kinds of depth cues?
Monocular Depth cues
Binocular depth cues
Author
Supriya
ID
139212
Card Set
PSYC #6 Unit 3
Description
Biological Psychology Daily oral quizes
Updated
2012-03-03T02:55:38Z
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