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HSP Exam 1 questions with complete solutions graded A+ passed
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HSP Exam 1 questions with complete solutions graded A+ passed
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HSP Exam 1 questions with completesolutions graded A+ passed
Why read this book? - correct answer ✔✔Future careers (graduate school work in perception)
Medical applications (devices to assist people with vision and hearing loss)
To understand how you perceive the world (color vision, depth perception)
The perceptual process - correct answer ✔✔1. stimulus in the environment
2. light is reflected and focused
3. receptor processes
4. neural processing
5. perception
6. recognition
7. action
distal stimulus - correct answer ✔✔environmental stimulus
, observer selectively attends to objects, stimulus impinges on receptors resulting in internal
representation.
Steps 1 and 2 of the Perceptual Process - correct answer ✔✔1. distal stimulus
2. proximal stimulus is created (light is reflected and focused)
3. receptor processess
principle of transformation - correct answer ✔✔When the stimuli and responses created by stimuli are
transformed, or changed, between the environmental stimuli and perception
principal of representation - correct answer ✔✔everything a person perceives is based NOT on direct
contact with stimuli but on representations of stimuli that are formed on the receptors and the resulting
activity in the persons nervous system
,(rod and cone receptors line the back of the eye. they change light energy into electrical energy and
influence what we perceive)
receptor processes (step 3) - correct answer ✔✔-sensory receptors are cells specialized to respond to
environmental energy
-visual pigment is what reacts to light
-transduction occurs, which changes environmental energy to nerve impulses
neural processing (step 4) - correct answer ✔✔-changes that occur as signals are transmitted through
the maze of neurons.
-primary receiving are: occipital lobe, temporal lobe, parietal lobe.
(takes place in the interconnected circuits of neurons like the retina and in much more complex circuits
within the brain. Each sense sends signals to different areas of the brain.)
Behavioral responses (step 5-7) - correct answer ✔✔experience and action
-electrical signals are transformed into conscious experience
-person perceives object
-person recognizes it (places object in a category)
steps 5-7 - correct answer ✔✔5. perception (I see something)
6. recognition (It's an oak tree)
7. action (lets have a closer look)
visual agnosia - correct answer ✔✔the inability to recognize a visual stimulus despite the ability to see
and describe it
bottom up processing (data based processing) - correct answer ✔✔processing based on incoming stimuli
from the environment
top-down processing (knowledge-based processing) - correct answer ✔✔processing based on the
perceiver's previous knowledge (cognitive factors)
, knowledge is - correct answer ✔✔any information the perceiver brings to the situation
relationship A - correct answer ✔✔the stimulus perception relationship
(proximal - distal)
relationship B - correct answer ✔✔the stimulus physiology relationship
(processing - receptors)
relationship C - correct answer ✔✔the physiology perception relationship
cognitive influence can affect both levels of analysis
(perception - recognition - action)
mouse picture on slides - correct answer ✔✔A & B
stimuli vertical, horizontal, slanted lines
mouse brain response bigger to vertical and horizontal orientations
absolute threshold - correct answer ✔✔smallest amount of energy needed to detect a stimulus
method of adjustment
stimulus intensity is adjusted continuously until observer detects it
repeated trials averaged for threshold
method of limits - correct answer ✔✔stimuli of different intensities presented in ascending and
descending order
observer responds to wether she perceived the stimulus
cross over point is the threshold
method of constant stimuli - correct answer ✔✔5-9 stimuli of different intensities are presented in
random order
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