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vision

Featured Neuroscience Visual Neuroscience

·July 23, 2024·5 min read

Researchers Use Game of Thrones to Study Face Blindness

Researchers used Game of Thrones to study how the brain recognizes faces, providing insights into prosopagnosia, a condition affecting facial recognition in 1 in 50 people. MRI scans showed increased brain activity in regions associated with character knowledge in fans of the series, but reduced activity in those unfamiliar with the show and in prosopagnosia patients.

Auditory Neuroscience Featured Neuroscience Visual Neuroscience

·July 19, 2024·5 min read

Childhood Vision Loss Affects Sound Distance Judgement

New research reveals that individuals who experience vision loss before age 10 struggle more with judging sound distance compared to those who lose sight later in life. This difficulty in perceiving the location of sounds has significant implications for safety and navigation. The study highlights the need for tailored healthcare solutions for those with early vision loss to enhance their quality of life.

Featured Neuroscience Visual Neuroscience

·July 16, 2024·6 min read

Antioxidants Slow Vision Loss in Late-Stage Dry AMD

Researchers found that daily antioxidant supplements slow the progression of late-stage dry age-related macular degeneration (AMD). The supplements help preserve central vision by slowing the expansion of geographic atrophy regions in the retina. This finding supports the use of AREDS2 supplements for people with late dry AMD.

Featured Neuroscience Visual Neuroscience

·July 10, 2024·4 min read

Detecting Early Vision Loss in Macular Degeneration

A new study reveals that early changes in age-related macular degeneration (AMD) can lead to measurable local vision loss. Researchers used advanced imaging to find that iRORA lesions, early signs of retinal damage, significantly reduce visual acuity. This discovery could enhance monitoring and treatment of AMD, potentially preventing severe vision loss. The findings offer hope for earlier intervention in this progressive eye disease.

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.

Featured Neuroscience Visual Neuroscience

·July 5, 2024·5 min read

How Our Brain Deciphers Gaze Direction

A new study reveals the precise moment the brain detects gaze direction, enhancing our understanding of social interactions and disorders like autism and Alzheimer's. Researchers used EEG and machine learning to analyze brain activity when participants viewed avatars with varying head and eye directions.

Featured Neuroscience Visual Neuroscience

·July 3, 2024·7 min read

Ozempic Linked to Increased Risk of Blinding Eye Condition

A new study reveals that patients prescribed semaglutide (Ozempic or Wegovy) for diabetes or weight loss have a higher risk of developing NAION, a potentially blinding eye condition. Diabetic patients on semaglutide were over four times more likely to be diagnosed with NAION, while overweight patients were over seven times more likely. The findings suggest the need for careful discussions between patients and doctors about this risk. NAION remains a rare but serious condition with no effective treatments.

Featured Neuroscience Visual Neuroscience

·June 12, 2024·6 min read

Robot System Reduces Eye Injections for AMD Patients

Researchers successfully used a custom-built robot to treat wet age-related macular degeneration (AMD). This minimally invasive treatment reduces the need for frequent eye injections. The landmark study found that robotic radiotherapy significantly decreases the number of injections needed, potentially saving millions annually. The new method offers precise targeting of radiation to the eye, improving patient outcomes and reducing costs.

This shows black and white marble statues.

Featured Neuroscience Visual Neuroscience

·May 24, 2024·8 min read

How Our Brain Recognizes Objects in Black-and-White Images

A new study explains how the brain excels at recognizing objects in both color and black-and-white images. Researchers found that early exposure to limited color information forces the brain to rely on luminance for object recognition.

Featured Neuroscience

·May 23, 2024·4 min read

AI Decodes Fruit Fly Vision, Paving Way for Human Insight

Researchers developed an AI model of the fruit fly brain to understand how vision guides behavior. By genetically silencing specific visual neurons and observing changes in behavior, they trained the AI to predict neural activity and behavior accurately. Their findings reveal that multiple neuron combinations, rather than single types, process visual data in a complex "population code." This breakthrough paves the way for future research into the human visual system and related disorders.

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

·May 16, 2024·5 min read

Brain Circuit for Color Perception Identified

Researchers have identified the specific brain circuits in fruit flies responsible for color perception. These neurons within the optic lobe respond selectively to various hues, including those perceived as violet and ultraviolet by humans.