Examlex
Which of the following have created immense problems both for immigrants and those responsible for controlling the U.S.borders?
Attention
The process of sorting through sensations and selecting some of them for further processing.
Difference Threshold
The smallest difference in stimulus intensity required to detect a difference between two stimuli, also known as the just noticeable difference (JND).
Cornea
The tough, transparent, protective layer that covers the front of the eye and bends light rays inward through the pupil.
Eye
An organ of vision that detects light and converts it into electro-chemical impulses in neurons.
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