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 ...

Medical research

Pupils reveal 'aphantasia'—the absence of visual imagination

The study, led by researchers from UNSW Sydney and published in eLife, found that the pupils of people with aphantasia did not respond when asked to imagine dark and light objects, while those without aphantasia did.

Ophthalmology

Microchip success for bionic eye

(Medical Xpress) -- Research to restore sight to the clinically blind has reached a critical stage, with testing underway of the prototype microchips that will power the bionic eye.

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

At-home visual acuity tests valid versus in-office testing

Measurements for three at-home self-administered visual acuity (VA) tests were within one line of Snellen acuity compared within-office VA measurements, according to a study published online March 31 in JAMA Ophthalmology.

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.

Genetics

Researchers find new genetic cause of blinding eye disease

Combining the expertise of several different labs, University of Iowa researchers have found a new genetic cause of the blinding eye disease retinitis pigmentosa (RP) and, in the process, discovered an entirely new version ...

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