Search Results for "Visual Adaptation And Face Perception"

00:46 EDT 23rd July 2017 | 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 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 ...

Brilinta (TM) - ticagrelor, AstraZeneca's new heart drug

Brilinta - ticagrelor, AstraZeneca's new heart drug is a blood-thinning medicine designed to prevent dangerous blood clots in patients with serious chest pain or previous heart attacks. It re...

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Coupling of movement and vision

In a study published in Cell, Georg Keller and his group shed light on neural circuits in the cortex that underlie the integration of movement and visual feedback. They identified a mechanism in the v...

Computations of visual motion in the brain

Botond Roska and his group at the FMI have elucidated how the retina and the visual cortex work together in visual motion perception. They found that cortical cells, which respond preferentially to ba...

You don't see what I see? Visual perception may depend on birthplace and environment

Perhaps we only see what we've learned to see.

Blind people use ‘brain map’ to differentiate between visual categories

Is what you're looking at an object, a face, or a tree? When processing visual input, our brain uses different areas to recognize faces, body parts, scenes, and objects.

How the electrical activity of the brain gives rise to the rich world of perception

The human brain is constantly abuzz with electrical activity as brain cells, called neurons, respond to sensory input and give rise to the world we perceive. Six particular regions of the brain, calle...

Body dysmorphic disorder visual retraining program

A world-first study is aiming to alleviate symptoms of those with body dysmorphic disorder (BDD) through a unique visual retraining program. BDD results in an exaggerated perception of aspects of pers...

The effect of face patch microstimulation on perception of faces and objects

Scientists have long debated the extent to which different brain regions are specialized for specific tasks. Here the authors show that electrical microstimulation of face-selective brain regions in t...

Cameras Reveal Images Hidden to the Naked Eye

NewsHuman visual perception works well and is very effective at seeing what's important to us.Contributed Author: 

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Adaptation reveals that facial expression averaging occurs during rapid serial presentation.

How do we interpret the rapidly changing visual stimuli we encounter? How does our past visual experience shape our perception? Recent work has suggested that our visual system is able to interpret mu...

Development of Neural Sensitivity to Face Identity Correlates with Perceptual Discriminability.

Face perception is subserved by a series of face-selective regions in the human ventral stream, which undergo prolonged development from childhood to adulthood. However, it is unknown how neural devel...

Dissociation between the neural correlates of conscious face perception and visual attention.

Given the higher chance to recognize attended compared to unattended stimuli, the specific neural correlates of these two processes, attention and awareness, tend to be intermingled in experimental de...

Proficient use of low spatial frequencies facilitates face memory but shows protracted maturation throughout adolescence.

Face perception is characterized by configural processing, which depends on visual information in the low spatial frequency (LSF) ranges. However, it is unclear whether LSF content is equally importan...

Disentangling the Representation of Identity from Head View Along the Human Face Processing Pathway.

Neural models of a distributed system for face perception implicate a network of regions in the ventral visual stream for recognition of identity. Here, we report a functional magnetic resonance imagi...

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