Researchers investigate how the eyes play a critical role in emotional expression and finding a potential mate. Read More
In socially awkward situations when a person is caught staring and averts their eyes, a third-party observer does not reflexively follow their gaze. The brain tells the observer there is no significance to the location where the embarrassed person has turned their attention. Read More
Pupillary response in those with PTSD differs from people who have not experienced traumatic events. The pupils of those with PTSD failed to show sharp constriction caused by light changes, and more enlargement when exposed to emotional stimuli that other participants. Patients with PTSD not only showed an exaggerated response to threatening stimuli but also to stimuli that depicted positive images. Read More
Ranibizumab and aflibercept, two drugs used to treat retinal diseases, are excreted in the breast milk of nursing mothers who take the medications. The drugs contain an agent called anti-vascular endothelial growth factor (anti-VEGF), which blocks the development of a protein which stimulates the development of blood vessels. The protein, VEGF, is present in breast milk and plays a role in the development of the digestive system in infants. Read More
Adults with mild cognitive impairment (MCI), a precursor to Alzheimer's disease, have greater pupil dilation when taking cognitive tests than their cognitively normal peers. Task-evoked pupillary response may be a cost-effective, and low invasive screening test for those at genetic risk for Alzheimer's before the symptoms of the disease take hold. Read More
Using OCT angiography to quantify capillary changes in the back of the eye can help in the detection, and monitor the progression, of Alzheimer's disease. Read More
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··4 min readResearchers have created a new deep learning algorithm that can accurately predict chronological age. The findings suggest the most accurate, non-invasive biomarker for aging prediction is the skin at the corner of the eye. Researchers say the findings could help offer solutions on how to look younger. Read More
A new study reveals a new hypothesis about the role the amygdala plays in the experience and perception of fear. Researchers say, instead of directly mediating fear, the amygdala is involved in a person's ability to attend to the whites of another person's widening eyes, something that is more generally important to social functioning. Read More
A new study reveals blood vessels in the eyes could be key to predicting who will develop cognitive problems in old age. People with moderate to severe retinopathy are more likely to suffer from cognitive problems as they age than those with healthy eyes, researchers report. Read More
According to a new PNAS study, our eyes and ears team up to process the sites and sounds we experience. Read More
Studies support Darwin's theories of emotional evolution, finding expressions originate from sensory function rather than social communication. Read More
A new study reports infants with blind parents pay less attention to adults' eye gaze. Read More
