Quiz #7 Flashcards
Movement of an observer creates movement of objects and the scene relative to the observer, a process known as ___.
a.
optic flow
b.
phi movement
c.
affordance
d.
motion ecology
a.
optic flow
Information that remains constant even though the observer is moving is called ___.
a.
flow gradient
b.
texture gradient
c.
penumbra constants
d.
invariant information
d.
invariant information
Which statement is true concerning the focus of expansion (FOE)?
a.
It always occurs at the point you are fixated on.
b.
It always occurs at the point you are moving toward.
c.
It always continues in the same direction once established.
d.
It always contains the fastest flow of information.
b.
It always occurs at the point you are moving toward.
Using the “Swinging Room” technique, the earliest evidence of optic flow was demonstrated in participants who were ___.
a.
newborn infants
b.
13- to 16-month-old toddlers
c.
preschoolers at about 4-5 years of age
d.
young adolescents about 13 years old
b.
13- to 16-month-old toddlers
Walkers will sometimes veer off course, and when they do, they will re-orient their body so it is once again facing the direction they are trying to follow, a strategy known as ___.
a.
optical flow correction
b.
body-based wayfinding
c.
invariant structure seeking
d.
visual direction strategy
d.
visual direction strategy
___ is a condition characterized by an inability to recognize landmarks in real-world environments, such as the case of F.G., a 71-year-old man who had lost his ability to recognize both famous landmarks like the Eiffel Tower as well as landmarks in his hometown where he had lived for 30 years. This condition is commonly associated with loss of brain tissue at the ___.
a.
landmark amnesia; dorsolateral prefrontal cortex
b.
wayfinding agnosia; medial superior temporal area
c.
topographical agnosia; parahippocampal gyrus
d.
topographical agnosia; place grid cells
c.
topographical agnosia; parahippocampal gyrus
Elena looks at a banana and realizes that the banana is “eat-able.” This is an example of ___.
a.
optic flow
b.
a texture gradient
c.
ataxia
d.
an affordance
d.
an affordance
A visuomotor grip cell is a neuron that responds ___.
a.
when a monkey sees an object that affords grasping
b.
when a monkey prepares to actually grip an object
c.
both a and b (i.e., during vision and also during action)
d.
when an experimenter picks up a peanut with a pair of pliers
c.
both a and b (i.e., during vision and also during action)
A monkey’s mirror neuron would respond when ___.
a.
the monkey watches someone else grasping a piece of food on a tray
b.
the monkey itself grasps the piece of food on a tray
c.
the monkey looks at food on a tray
d.
either A or B but not C
d.
either A or B but not C
Mirror neurons have been found in the monkey’s ___.
a.
premotor cortex
b.
parietal reach region
c.
middle temporal area
d.
medial superior temporal area
a.
premotor cortex
