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Alice in Wonderland Syndrome (AIWS), also known as Todd's Syndrome or Dysmetropsia, is a neurological disorder that distorts perception.People with this syndrome may experience distortions in their visual perception of objects, such as appearing smaller or larger (), or appearing to be closer or farther than they are.
A connection between age-related macular degeneration (AMD) and colored visual hallucinations has been presented. [6] Color vision signals travel through the parvocellular layers of the lateral geniculate nucleus (LGN), later transmitting down the color regions of the ventral visual pathway. [ 6 ]
Autism spectrum disorder [a] (ASD), or simply autism, is a neurodevelopmental disorder "characterized by persistent deficits in social communication and social interaction across multiple contexts" and "restricted, repetitive patterns of behavior, interests, or activities". [11] Sensory abnormalities are also included in the diagnostic manuals ...
It was so named because one part of the X chromosome has a defective piece that appears pinched and fragile when under a microscope. Fragile X syndrome affects about two to five percent of people with ASD. [40] If one child has Fragile X, there is a 50% chance that boys born to the same parents will have Fragile X (see Mendelian genetics ...
Prosopometamorphopsia is considered a face hallucination and is included under the umbrella of complex visual hallucinations. [7] Unlike other forms of hallucinations such as peduncular hallucinosis or Charles Bonnet syndrome , prosopometamorphopsia does not predominate at a particular time of day; it is a constant experience. [ 7 ]
A new study of close to 100,000 children shows no link between the vaccine to prevent measles, mumps, and rubella and an increased risk of autism. Researchers analyzed health insurance claims ...
Micropsia is a condition affecting human visual perception in which objects are perceived to be smaller than they actually are. Micropsia can be caused by optical factors (such as wearing glasses), by distortion of images in the eye (such as optically, via swelling of the cornea or from changes in the shape of the retina such as from retinal edema, macular degeneration, or central serous ...
Reduced affect display, sometimes referred to as emotional blunting or emotional numbing, is a condition of reduced emotional reactivity in an individual. It manifests as a failure to express feelings either verbally or nonverbally, especially when talking about issues that would normally be expected to engage emotions.