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Roger Sperry Surgically Rotated an Amphibian's Eye, Severed the Optic

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Essay

Roger Sperry surgically rotated an amphibian's eye, severed the optic nerve, and allowed the retinal ganglion cells to re-grow into the brain. Based on the animal's movements in the opposite direction from its prey, the RGC axons made connections to the same part of the brain as before. If normal vision had been restored, what would he have concluded?


Definitions:

Measures Of Variability

Indicators of how much scores vary in a distribution. Three types of measures of variability are the range, quartile range, and the standard deviation.

Range Of Scores

Refers to the span from the lowest to the highest scores achieved on a test, indicating the breadth of varying performances.

Normally Distributed Curve

A mathematical depiction illustrating a bell-shaped distribution where the data exhibits a symmetrical spread around the mean value.

Median

The median is the central number in a series of data after it has been organized in either increasing or decreasing sequence.

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