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visual perception

Featured Neuroscience Psychology Visual Neuroscience

·July 8, 2024·6 min read

Handedness and Vision May Reveal Hidden Social Strengths

A new study shows that human biases in handedness and visual field processing have social and cognitive implications. Researchers found that people with a reversed bias (left hand, right visual) are more likely to have social difficulties and conditions like autism or ADHD. The study reveals that aligning biases may have social benefits, much like in animals. These findings could lead to early screening and interventions for neurodevelopmental disorders.

This shows a face covered in different colored paints.

Featured Neuroscience Visual Neuroscience

·June 13, 2024·6 min read

Facial Expressions Alter Memory of Color

Facial expressions influence memory color effect, with angry and fearful faces more strongly affected than neutral faces. Participants perceived achromatic angry and fearful faces as red-yellow, indicating that expression impacts color memory. This research highlights how emotions and memory color are interconnected. Future studies aim to explore attention toward different facial expressions and colors.

Featured Neuroscience Visual Neuroscience

·June 11, 2024·5 min read

Brain Misleads Sight: New Insights on Visual Illusions

Researchers discovered new variations of the visual saltation illusion, where rapid light flashes in peripheral vision create perceptual errors. Their study shows that our brains misplace the second flash near the midpoint, regardless of its actual position.

Featured Neuroscience Psychology Visual Neuroscience

·June 11, 2024·5 min read

Trauma Shapes How We See: Negative Life Events Linked to Imagery Perception

Personal trauma impacts how people perceive distressing imagery, like decorated masks. The study showed that those with traumatic histories had stronger emotional reactions to trauma-related images compared to neutral ones.

Featured Neuroscience Visual Neuroscience

·May 17, 2024·5 min read

Brain’s Arousal Fine-Tunes Visual Signals

Arousal levels directly influence how the brain processes visual information. Researchers found that the firing patterns of neurons in the thalamus, a key relay station for visual signals, change in response to pupil dilation and constriction, indicators of arousal. This modulation of neural activity provides a mechanistic explanation for how our internal states shape our visual perception.

Featured Neuroscience Visual Neuroscience

·April 16, 2024·5 min read

Decoding the Rainbow: New Secrets of Color Perception

Researchers made significant progress in understanding color perception by identifying non-cardinal retinal ganglion cells (RGCs) in the human fovea. These cells may explain complex color perceptions beyond the traditional models established by the cardinal directions of color detection.

Featured Neuroscience Visual Neuroscience

·April 15, 2024·4 min read

Ever Wonder Why We Blink So Much?

A new study reveals the critical role of blinking in visual perception. Contrary to the common belief that blinking merely helps keep the eyes moist, the study found that blinking reshapes how visual information is processed by briefly altering the light patterns on the retina.

Featured Neuroscience Visual Neuroscience

·March 22, 2024·4 min read

Devil in the Details: The Visual World of Prosopometamorphopsia

Researchers conducted a pioneering study on prosopometamorphopsia (PMO), a rare condition where individuals perceive facial features as distorted. The study details the unique case of a 58-year-old male who experiences facial distortions exclusively in person, not when viewing images on screens or paper, allowing researchers to create accurate visualizations of his perceptions.

Featured Neuroscience Visual Neuroscience

·March 7, 2024·6 min read

Step-Synced Vision: Walking Rhythm Alters Visual Perception

Researchers discovered a novel link between walking rhythms and changes in visual perception, demonstrating that our visual sensitivity fluctuates in sync with our steps. This study found that during the swing phase of a step, our perception sharpens and reaction times improve, whereas footfalls lead to a dulling of visual sensitivity.

Featured Neuroscience Visual Neuroscience

·January 27, 2024·4 min read

How Older Brains Perceive Color Differently

Healthy older adults perceive colors differently compared to younger individuals. The research involved measuring pupil responses to various colors in a blackout room, with 17 young adults (average age 27.7) and 20 older adults (average age 64.4) participating.

Featured Neuroscience Visual Neuroscience

·November 13, 2023·4 min read

Visual Perception: Unveiling the Mystery of “Unseeing” in the Brain

A new study explores visual masking, a phenomenon where rapid sequential images lead to the first being 'unseen.' This study successfully demonstrated visual masking in mice, mirroring human perception, indicating a similar neurological process.

Featured Neuroscience Visual Neuroscience

·October 26, 2023·4 min read

Sharpening Vision Beyond the Focus Point

While traditional visual training methods enhance perception only in specific visual regions, a new study presents a breakthrough. By actively exploring visual stimuli via eye movement, participants improved their entire visual field, not just the area they focused on.