What makes the brain look white (white matter) and grey (grey matter)?
Grey matter are blood vessels, white matter are neurons.
Grey matter are cell bodies with nuclei, white matter is the myelin sheath around axons.
Grey matter are mainly nuclei, white matter are mainly neurons.
The brain colours differently after a brain tissue is sliced for anatomical purposes.
All brain cells have the same colour, the difference in appearance is due to the density of blood vessels.
Which is NOT a Gestalt principle?
Proximity.
Similarity.
Simplicity.
Convexity.
Good continuation.
If a person has a scotoma in the upper part of the left visual field and the reason for this scotoma is located in visual area 1, where is visual area 1 damaged:
Left hemisphere, below the Calcarine Sulcus.
Left hemisphere, above the Calcarine Sulcus.
Right hemisphere, below the Calcarine Sulcus.
Right hemisphere, above the Calcarine Sulcus.
None of the above.
Which of the following is correct? Psychophysics is...
used to determine the relationship between the distal stimulus and the physical properties of sensory input.
used to determine the relationship between the physical stimulus and wavelength.
used to determine the relationship between perception and subjective experience.
the study of the relationship between physical stimuli and psychological experience.
Perceptual processes...
are private and can only be measured with sophisticated electro-physiological techniques.
provide completely accurate descriptions of the physical environment.
are all there is - reality is fiction.
provide completely inaccurate descriptions of the physical environment.
provide reasonably accurate descriptions of the physical environment.
The labels that correspond to the part of the eye numbered 5 is:
lens
optic nerve
pupil
fovea
blind spot
The labels that correspond to the parts of the eye numbered 1 and 2 are:
1. pupil, 2. retina
1. fovea, 2. retina
1.optic nerve, 2. lens
1. iris, 2. pupil
1. iris, 2. lens
In the Poggendorf illusion, which situation should lead to the largest error:
An angle of 30 degrees
None of these options, angle has no effect
An angle of 45 degrees
An angle of 60 degrees
The labels that correspond to the parts of the eye numbered 6 and 7 are:
6. optic nerve, 7. retina
6. fovea, 7. lens
6. lens, 7. retina
6. blind spot, 7. pupil
6. iris, 7. fovea
Choose the appropriate words to fill in the blanks in the order in which they appear in the following sentence: The photoreceptors known as cones are responsible for ________ acuity, _________ vision and are most concentrated in the ________.
high, colour, fovea
low, colour, periphery
low, scotopic, fovea
low, monochrome, periphery
high, scotopic, fovea
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