Neuroscience

Neuroscientists find new factors behind better vision

The size of our primary visual cortex and the amount of brain tissue we have dedicated to processing visual information at certain locations of visual space can predict how well we can see, a team of neuroscientists has discovered. ...

Ophthalmology

Vision impairment tied to cognitive decline

(HealthDay)—Worse visual acuity, contrast sensitivity, and stereo acuity impairment are associated with an increased risk for cognitive decline in older, community-dwelling individuals, according to a study published online ...

Ophthalmology

Microscopic eye movements affect how we see contrast

It is often difficult for a driver to see a person walking on the side of the road at night—especially if the person is wearing dark colors. One of the factors causing this difficulty is a decrease in contrast, making it ...

Cardiology

Ischaemic stroke assessment

Non-contrast computed tomography (NCCT) is a low-cost medical imaging technology that is used widely in investigating damage to a patient's brain caused by ischaemic stroke. However, writing in the International Journal of ...

Neuroscience

Noradrenaline enhances vision through beta-adrenergic receptors

Noradrenaline is a neuromodulator secreted in the brain depending on behavioral context and physiological states of animal, influencing a wide range of physiological functions by modulating brain activity. It may be best ...

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