Examlex
A camera is a passive recorder of the world, but the visual systems of mammals build up pictures of the world by detecting its meaningful features. Integrate the research on the visual system with information that was presented in Chapter 4 regarding the thalamus and the visual cortex.
Hallucinogenic
Substances that cause hallucinations - perceptions and sensations that appear real though they are not actually present in the external environment.
Sensation
The sense organs’ detection of external physical stimulus and the transmission of information about this stimulus to the brain.
Perception
The process by which individuals select, organize, and interpret sensory information to understand their environment.
Depressant Drugs
Substances that slow down the function of the central nervous system, potentially reducing arousal or stimulation in various parts of the brain.
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