Assume That Man's Recorded History Can Be Stretched Back to 4600

question 5

Multiple Choice

Assume that man's recorded history can be stretched back to 4600 years before the present. This is approximately what fraction of geologic time?

• A)one hundred- thousandth
• B)one millionth
• C)one billionth
• D)one ten- thousandth

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Definitions:

Müller-Lyer Illusion

A visual illusion in which two lines of the same length appear to be of different lengths because of the orientation of the arrowheads at the ends.

Reversible Figures

Visual illusions or images that can be perceived in more than one way, demonstrating the brain's ability to shift perspective.

Blind Spot

A specific area on the retina without photoreceptors where the optic nerve exits the eye, resulting in a lack of visual detection in this small region.

Gestalt Psychologists

A group of psychologists who emphasized understanding psychological phenomena by looking at the whole experience rather than breaking it down into parts.