Ocular Dominance Columns Alternate Systematically Between Left-Eye and Right-Eye Dominance

question 45

Multiple Choice

Ocular dominance columns alternate systematically between left-eye and right-eye dominance, orientation columns vary systematically across the full range of preferred orientations. This was shown by experiments in which an electrode was advanced _____ through the visual cortex.

• A) perpendicularly
• B) contralaterally
• C) obliquely
• D) horizontally

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Definitions:

Z-Test

A statistical method for assessing if there is a significant difference between the means of two populations when variances are known and the sample sizes are large.

Chi-Squared Test

A statistical method employed to assess if the observed frequencies significantly differ from the expected frequencies across one or more categories.

Nominal Data

A type of categorical data for which the categories do not have a natural order or ranking.

Critical Value

A point on the scale of the test statistic beyond which we reject the null hypothesis; it depends on the chosen significance level.