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A photoreceptor cell is a specialized type of neuroepithelial cell found in the retina that is capable of visual phototransduction. The great biological importance of photoreceptors is that they convert light (visible electromagnetic radiation) into signals that can stimulate biological processes. To be more specific, photoreceptor proteins in ...
Closed-eye hallucination. Closed-eye hallucinations and closed-eye visualizations (CEV) are hallucinations that occur when one's eyes are closed or when one is in a darkened room. They should not be confused with phosphenes, perceived light and shapes when pressure is applied to the eye's retina, or some other non-visual external cause ...
An auditory hallucination, or paracusia, [ 1 ] is a form of hallucination that involves perceiving sounds without auditory stimulus. While experiencing an auditory hallucination, the affected person hears a sound or sounds that did not come from the natural environment. A common form of auditory hallucination involves hearing one or more voices ...
RELATED: What your eyes say about your health "Since patients oftentimes require multiple treatments and overexposure to this, light can be potentially dangerous to your vision," she continued.
Cone cells or cones are photoreceptor cells in the retinas of vertebrates' eyes. They respond differently to light of different wavelengths, and the combination of their responses is responsible for color vision. Cones function best in relatively bright light, called the photopic region, as opposed to rod cells, which work better in dim light ...
Anthropomorphizing household objects. When people feel sympathy for inanimate objects, they are anthropomorphizing, attributing human behaviors or feelings to animals or objects who cannot feel ...
If You Find This World Bad, You Should See Some of the Others. "If You Find This World Bad, You Should See Some of the Others", also known as the "Metz speech", is a 1977 essay and speech by science fiction writer Philip K. Dick that was delivered at the Second Metz International Science Fiction Festival in Metz, France, on September 24, 1977. [1]
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