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Visual Neuroscience

Visual Neuroscience news articles cover science research into visual cortex, vision, visual disorders, blindness, brain processing of visual cues, facial recognition and research related to how eyes and brains function.

Featured Neuroscience Visual Neuroscience

·February 9, 2024·5 min read

Women Scan For Danger When Walking at Night

A new study highlights the stark differences in how men and women perceive safety while walking at night. Through an innovative use of heat maps generated by participants' focus on photographs of campus areas, the study found women were significantly more likely to scan for potential safety hazards in their surroundings, unlike men who focused on direct paths or specific objects.

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 Neurology Neuroscience Visual Neuroscience

·January 23, 2024·4 min read

Strange Visual Symptoms Could Indicate Early Alzheimer’s

A study reveals new insights into posterior cortical atrophy (PCA), an early symptom of Alzheimer’s disease. Analyzing data from over 1,000 patients globally, they found that 94% of PCA cases predict Alzheimer's, with the rest linked to conditions like Lewy body disease.

Featured Neuroscience Psychology Visual Neuroscience

·January 15, 2024·4 min read

Pupil Response Reveals Depression’s Depths

Researchers found a distinct correlation between pupillary response and depression severity. Researchers observed that in healthy individuals, pupils dilated in anticipation of a reward during a task, while this response was notably subdued in those with depression, especially in patients experiencing listlessness.

Featured Neuroscience Visual Neuroscience

·January 11, 2024·4 min read

How Human Retinas Create a Colorful World

In a groundbreaking study using lab-grown human retinas, researchers unveil the process behind our ability to see millions of colors, a trait unique to humans. The findings challenge previous beliefs and demonstrate how retinoic acid plays a crucial role in determining whether specialized cone cells sense red or green light.

Featured Neuroscience Visual Neuroscience

·December 28, 2023·6 min read

Eating with Your Eyes and Gut? How Your Brain Decides When to Eat

The science of eating behavior goes beyond hunger cues; it involves sensory stimuli, internal signals, and the gut-brain connection. External cues like food packaging and advertisements influence our eating decisions, but internal signals, such as hunger and fullness, play a profound role.

This shows a person with a metal ball in their hand.

Featured Neuroscience Visual Neuroscience

·December 24, 2023·4 min read

Enhancing Motor Learning with Visual-Motor Illusions

Researchers found that visual aids creating illusions of movement, like screens showing a hand's motion, can enhance motor performance and early-stage motor learning. Functional near-infrared spectroscopy revealed distinct brain activity changes in motor learning regions compared to traditional third-person motion observation.

Featured Neuroscience Visual Neuroscience

·December 14, 2023·8 min read

How Daydreams Shape Our Brain’s Visual Response

Researchers made a breakthrough in understanding how daydreaming affects the brain. By studying mice, they discovered that neurons in the visual cortex fire in patterns similar to when viewing actual images, indicating daydream-like activity.

Featured Neuroscience Visual Neuroscience

·November 30, 2023·6 min read

AI-Enhanced Imaging: Probing Brain’s Visual Processing

Researchers used AI to select and generate images for studying brain's visual processing. Functional MRI (fMRI) recorded heightened brain activity in response to these images, surpassing control images.

Auditory Neuroscience Featured Neuroscience Visual Neuroscience

·November 22, 2023·5 min read

Ear Sounds Reveal Eye Movements

Researchers discovered that the ear emits subtle sounds in response to eye movements, allowing them to pinpoint where someone is looking. The study demonstrates that these ear sounds, potentially caused by muscle contractions or hair cell activations, can reveal eye positions.

Auditory Neuroscience Featured Neuroscience Visual Neuroscience

·November 22, 2023·5 min read

How Blind People Recognize Faces via Sound

A new study reveals that people who are blind can recognize faces using auditory patterns processed by the fusiform face area, a brain region crucial for face processing in sighted individuals. The study employed a sensory substitution device to translate images into sound, demonstrating that face recognition in the brain isn't solely dependent on visual experience.

Featured Neuroscience Visual Neuroscience

·November 16, 2023·5 min read

Tool Reveals Neural Network Errors in Image Recognition

Researchers developed a tool that simplifies the identification of errors in neural networks used for image recognition. Neural networks often produce errors that are challenging to trace, limiting their application in crucial domains like healthcare.