Psychology & Psychiatry

New research reveals the secret to making a good first impression

How long do you have to make a good first impression? About half a second, new research has revealed. Scientists have discovered that humans make judgements on someone's trustworthiness within the first 500 milliseconds of ...

Psychology & Psychiatry

New research warns against Wi-Fi in cars

Plans to provide high-speed Internet access in vehicles, announced last month by Canadian telecommunications company Rogers Communications and American provider Sprint Corporation, could do with some sobering second-thought, ...

Diabetes

Brain atrophy seen in patients with diabetes

(HealthDay)—Brain atrophy rather than cerebrovascular lesions may explain the relationship between type 2 diabetes mellitus (T2DM) and cognitive impairment, according to a study published online Aug. 12 in Diabetes Care.

Neuroscience

How visual attention affects the brain

New work at the University of California, Davis, shows for the first time how visual attention affects activity in specific brain cells. The paper, published June 26 in the journal Nature, shows that attention increases the ...

Ophthalmology

Prevalence of visual impairment in US increases

The prevalence of nonrefractive visual impairment (not due to need for glasses) in the U.S. has increased significantly in recent years, which may be partly related to a higher prevalence of diabetes, an associated risk factor, ...

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