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Search Results for "Visual Adaptation And Face Perception"

11:10 EST 12th February 2016 | BioPortfolio

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Visual field testing

Visual field defects

Visual acuity

Visual acuity (VA) is acuteness or clearness of vision, which is dependent on the sharpness of the retinal focus within the eye and the sensitivity of the interpretative faculty of the brain. Visu...

Tinnitus

Tinnitus causes people to hear constant sounds in one ear, both ears or in their head. Tinnitus is the medical name for the perception of noise in one ear, both ears or in the head. The noise comes ...

Stroke Rehabilitation

A stroke, previously known medically as a cerebrovascular accident (CVA), is the rapidly developing loss of brain function(s) due to disturbance in the blood supply to the brain. This can be due to ...

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Putting vision into context

The Thalamus not only relays visual signals from the eye to the visual cortex as previously thought, but also conveys additional, contextual information. Integrating these different signals is essenti...

Negligible fronto-parietal BOLD activity accompanying unreportable switches in bistable perception

The human ability to choose relies considerably on frontoparietal association cortex. Constructing unified perception from inconclusive sensory input also requires selection among alternatives. Combin...

Thalamus found to add contextual information to visual signals

The thalamus not only relays visual signals from the eye to the visual cortex as previously thought, but also conveys additional, contextual information. Integrating these different signals is essenti...

Study validates monkey model of visual perception

A new study from The Journal of Neuroscience shows that humans and rhesus monkeys have very similar abilities in recognizing objects "at a glance," validating the use of this animal model in the study...

UMass Amherst neuroscientist receives $599,000 grant to study brain function

(University of Massachusetts at Amherst) Cognitive neuroscientist Rosie Cowell at UMass Amherst recently received a five-year, $599,619 NSF CAREER award to develop and test a theory of how memory inte...

Physician Computer Use Affects Patient's Perception of Care

Patients in an observational study were less likely to rate their care highly if their physicians spent more time looking at the computer screen than in face-to-face interaction. Medscape Medical Ne...

The link between the visual perception of letters and numbers and children's academic performance

Has your child ever had trouble deciphering a 3, 7, or 9? What about recognising a G, Q or Z?

Man or woman? Age affects sex perception

While the human brain takes a fraction of a second to categorise a face as male or female based on cues like a chiselled jawline it seems the brain also takes into account another factor when determin...

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An objective measure of face identity adaptation with fast periodic visual stimulation.

The human brain is remarkably adept at extracting identity information from faces, although understanding this process remains a challenge. Here, a novel neural measure of objective discrimination bet...

The causal role of face-selective neurons in face perception.

Many neurons in the inferior temporal cortex (IT) of primates respond more strongly to images of faces than to images of non-face objects. Such so-called "face neurons" are thought to be involved in f...

Adults with autism spectrum disorder show evidence of figural aftereffects with male and female faces.

The norm-based coding model of face perception posits that face perception involves an implicit comparison of observed faces to a representation of an average face (prototype) that is shaped by experi...

Effects of TMS to occipital face area on the perception of face viewpoint cued only by shape changes in the external contour of the face.

Changes in the outer contour of a face act as a cue to face viewpoint, and these changes can be captured using radial frequency (RF) pattern stimuli (Wilson et al., 2000). The face viewpoint aftereffe...

Point Me in the Right Direction: Same and Cross Category Visual Aftereffects to Directional Cues.

Of the many hand gestures that we use in communication pointing is one of the most common and powerful in its role as a visual referent that directs joint attention. While numerous studies have examin...

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