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15 Cards in this Set

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  • Back
Neonatal Deprivation
Restricting development (such as visual experience) of newborn animals.
Depth Perception
Ability to judge the distance of an object
Visually Guided Paw Placement Test
The kitten was held by the experimenter with its head
and forelegs free and was carried down to the edge of the table.
Blink to an Approaching Object
The experimenter brought his hand quickly towards the kitten’s face (stopping just in front of it)
Avoidance of a Visual Cliff
The kitten is placed on the central ‘bridge’ where it can stay still or walk onto the ‘shallow’ or ‘deep’ side.
Gondola
Container that housed the passive cat during the experiment.
Plasticity
Human brain's ability to change the way it functions in response to environmental influences.
Dependent Variable tests (3)
Avoidance of a Visual Cliff
Visually Guided paw placement
Blink to an approaching object
Additional Tests (3)
Pupilliary reflex to light
Tactual paw placement
Visual pursuit of a moving object
Pupilliary reflex to light
A torch beam was moved across the eye and the change in pupil size was noted.
Tactual paw placement
The kitten was held as in the paw placement test but its front paws were put against the vertical surface of the table.
Visual pursuit of a moving object
The experimenter’s hand was moved slowly in front of the kitten. The movement of the it’s eyes was recorded.
Qualitative Observation of results
More active cats tend to develop faster.
Results for visual cliff test (shallow/deep) for both active and passive cats.
Active: 12/0
Passive: Random
What did they do with the Passive cats after the experiment?
They placed the P cats in a continuously illuminated room for 48 hours and left them free to roam about.