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One day after several hours together, she was asked to close her eyes and tell what her two interviewers were wearing. She was unable to do so. There is a distinction between those with hyperthymesia and those with other forms of exceptional memory , who generally use mnemonic or similar rehearsal strategies to memorize long strings of information.
A tragic photo of a baby born with only one eye and no nose has been circulating the Internet. The baby is being referred to as "baby cyclops" due to the comparisons drawn with the mythical cyclops.
May had a stem-cell transplant in his right eye in 2001 when he was 47, after 40 years of blindness. He reportedly has adapted well to his recovered vision. May still has no intuitive grasp of depth perception. As people walk away from him, he perceives them as literally shrinking in size.
Leber's congenital amaurosis (LCA) is a collection of inherited, degenerative eye disorders that can reduce the strength of visual clarity or sharpness in infants and can cause childhood blindness. [ 14 ] [ 15 ] These eye disorders are mostly autosomal recessive diseases, and diagnoses of LCA are linked to multiple gene variants, including the ...
These blood vessels may bleed or grow in the wrong direction. Bleeding can lead to the formation of scar tissue which can cause blurred vision and vision loss. If the vessels grow too far in the wrong direction, they can pull the retina away from the back of the eye – this is called retinal detachment. Retinal detachment is a medical ...
Statements that certain species of mammals are "born blind" refers to them being born with their eyes closed and their eyelids fused together; the eyes open later. One example is the rabbit. In humans, the eyelids are fused for a while before birth, but open again before the normal birth time; however, very premature babies are sometimes born ...
Explicit memory, (or 'declarative memory') is that which can be consciously drawn upon by a person to remember. Explicit memory can be split into further subcategories; episodic memory, which is the memory of specific events and the information surrounding it, and semantic memory, which is the ability to remember factual information (e.g. what ...
One reason that Molyneux's Problem could be posed in the first place is the extreme dearth of human subjects who gain vision after extended congenital blindness. In 1971, Alberto Valvo estimated that fewer than twenty cases have been known in the last 1000 years.