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Infants Strong Pupillary Light Reflex Linked To Later Autism Diagnosis

Infants who are later diagnosed with autism spectrum disorders react more strongly to sudden changes in light, a new study indicates. The finding lends support to the view that sensory processing plays an important role in the development of the disorder. Despite being defined by symptoms in social communication, researchers are increasingly embracing the view […]

Electrical Synapses Drive Retinal Feature Selectivity

Two types of cells have been found in the retina that determine horizontal or vertical orientation, Northwestern Medicine scientists report. They have also demonstrated for the first time how they convey information. The laboratory of Gregory Schwartz, Ph.D., assistant professor of Ophthalmology and Physiology, investigates the retina, a layer of tissue at the back of […]

Eardrum Motion Synchronized With Direction And Amplitude Of Saccades

Moving the eyes triggers the eardrums to move as well, a new study by Duke University neuroscientists has found. The researchers discovered that keeping the head still but shifting the eyes to one side or the other sparks vibrations in the eardrums, even in the absence of any sounds. Surprisingly, these eardrum vibrations start slightly […]

Melanopsin Stimulation Produces A Distinct Perceptual Experience

The reflexive system of the human eye also produces a conscious, visual experience, according to a new study from researchers in the Perelman School of Medicine and School of Arts and Sciences at the University of Pennsylvania. The findings may provide insight into the excessive light sensitivity sometimes experienced by people with eye disease, migraine […]