Findings upend the long-standing belief that blind people lack deep knowledge of visual phenomena.
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Combining deep learning algorithms with robotic engineering, researchers have developed a new robot able to combine vision and touch.
Older adults with visual impairments are 1.3 times more likely to develop mild cognitive impairment, often considered a precursor to Alzheimer's disease, than those with no significant vision loss.
Researchers propose a new theory of what happens in the brain when we experience familiar seeming visual stimuli. The theory, dubbed sensory referenced suppression, suggests the brain understands different levels of activation expected for sensory input and corrects for it, leaving behind the signal for familiarity.
When people make eye contact with another person, their attention is immediately solicited and this causes a distortion in temporal perception. However, the shift in time perception does not change when people glance at non-social items or objects.
Smoking marijuana affects several key visual functions, including 3D vision and contrast sensitivity. However, 90% of cannabis users believe the drug has either no, or minimal, effect on their visual abilities.
People with depression often experience problems with visual perception. Researchers report issues with visual perception are likely linked to information processing differences in the cerebral cortex.
People who suffer from dry eye disease symptoms report visual problems, increased depression and anxiety, and mobility issues. Dry eye disease, researchers say, can have a negative impact on the overall quality of life for sufferers.