Articles tagged with Visual Perception
A study by the University of Münster's research team led by Prof Markus Lappe found that smooth eye movements cannot be performed for all types of visual motion, leading to a disruption of spatial perception. The researchers also discovered that the compensation mechanism for rapid eye movements is overridden when certain non-rigid mov...
Researchers at Tel Aviv University demonstrated that bats can navigate great distances in open areas with their eyes closed, using only echolocation. The study found that bats create an acoustic map of their environment, relying on distinct echoes to guide their flight paths.
Researchers found that participants with Parkinson's who performed rapid side-to-side eye movements showed reduced body sway and improved posture. In contrast, those with Parkinson's who made vertical saccadic eye movements experienced increased body instability.
The study found that brain responds rapidly to face-like features, even in ambiguous black-and-white stimuli. Face-likeness affects unconscious processing, and images with high degree of facial likeness are detected faster than those without.
Researchers at Yale University found that visual clutter affects how information flows in the brain, altering perception and cognition. The study used macaque monkeys to investigate the neural basis of perception and discovered subunits within larger visual areas doing their own computations.
A new article investigates whether auditory magic tricks can be created for a blind audience, finding that the brain processes visual and auditory information differently. This study underscores the importance of making magic more inclusive for people with blindness.
High-contrast patterns on humbug damselfish bodies serve dual purpose: camouflage when stationary and motion dazzle when moving. The fish adapt their behavior based on environment, using motion dazzle to confuse predators when feeding outside coral colonies.
Researchers have discovered differences in temporal dynamics of visual processing during brief fixation periods, which could improve understanding of visual information in dynamic environments. The study reveals that the visual system is better at localizing changes at the foveal level initially but improves peripheral detection as fix...
A team of researchers from the National Institute for Physiological Sciences in Japan found that partial occlusion of digital numerals can induce bistable interpretations of their semantic meanings. Long-time visual exposure to normal numerals biases perception, favoring a specific number interpretation.
Researchers discovered that urban and desert fruit flies use distinct visual navigation strategies to maintain balance and orient towards interesting objects. The study suggests that the visual environment plays a crucial role in shaping these navigation tactics, with implications for human vision and autonomous vehicle development.
Neuroscientists have discovered a global process across the brain that coordinates sensory input with motor action through learning. In trained mice, neurons link sensory evidence to action initiation, integrating information across multiple brain regions.
A recent study demonstrates how real-time haptic feedback can enhance interoceptive awareness, improving mental and physical health. Participants showed improved accuracy in heart rate discrimination tasks after receiving haptic feedback, suggesting a deeper connection between the mind and body.
A competition encourages magicians to craft mesmerizing sound-based tricks that evoke wonder and amazement without relying on visual cues. The initiative aims to make magic more inclusive for individuals with visual impairments, allowing them to experience the art in a new way.
Researchers have found a new brain mechanism that detects prediction errors between expected and actual sensory inputs, boosting responses to unexpected information. This discovery could offer insights into the neural circuits underlying autism spectrum disorders (ASDs) and schizophrenia spectrum disorders (SSDs).
A study published in Neuron reveals that neurons are wired to connect seemingly unrelated concepts, enhancing the brain's ability to predict what we see based on past experiences. Visual experience influences the organisation of feedback projections, which store information about the world.
A new Reichman University study demonstrates how external representation of physiological signals can improve internal balance. The researchers created an immersive multisensory environment that mirrors the user's breathing pattern, leading to significant improvements in interoceptive sensibility and flow among users.
The SAM model demonstrates excellent generalization on common scenes, but requires strong prior knowledge for complex scenarios and performs poorly on low-contrast applications. It also struggles with professional data, particularly in medical and industrial settings.
A recent study revealed that the brain uses a similar neural mechanism to store faces of familiar individuals as it does to remember the value of objects. The striatum tail plays a critical role in this process, responding strongly to familiar faces and weakly to unfamiliar ones.
Researchers from Drexel University's College of Nursing and Health Professions found that traumatic life events do impact the perception of trauma-related imagery. Viewers' personal history of adversity and trauma was associated with stronger reactions to images depicting injury/trauma.
Researchers from Kyushu University discovered new conditions for a three-flash illusion, where the brain misperceives the second flash as near the midpoint between the first and third flashes. This phenomenon occurs regardless of the second flash's location, highlighting the complexity of visual perception.
A novel approach to training AI systems uses information about spatial position to identify objects and navigate surroundings, inspired by children's visual development. The method improves contrastive learning models' effectiveness by incorporating simulated spatial context information, outperforming base models in various tasks.
Researchers have developed a system combining bio-inspired cameras with AI to quickly detect obstacles around cars, using less computational power. The hybrid system detects objects up to one hundred times faster than current systems while reducing data transmission and processing needs.
A team of neuroscientists developed a new AI algorithm that replicates the brain's visual processing, forming spatial maps and predicting sensory responses. The topographic deep artificial neural network (TDANN) could lead to more efficient artificial systems inspired by the brain's elegance.
A new AI model developed by Cold Spring Harbor Laboratory's Benjamin Cowley and team uses a 'population code' to predict fruit fly behavior, revealing that multiple neurons combine to sculpt actions. The breakthrough enables the AI to accurately predict how real flies will behave in response to visual stimuli.
Researchers found that neural activity in the visual thalamus is coupled with pupil dynamics during different phases of arousal. This modulation affects how sensory impressions are transmitted to higher areas of the brain like the visual cortex, influencing visual perception.
This study found that perceiving high glossiness in images induces greater pupillary constriction than perceived low glossiness, even when physical luminance is adjusted. The results suggest that the visual system responds to specular highlights in glossy images, leading to pupil constriction.
Researchers created an ultra-small vision implant with single-neuron sized electrodes, allowing for thousands of 'pixels' to be stimulated simultaneously. The implant's unique combination of flexible materials ensures long-term functionality and stability.
Researchers have discovered that activating the locus coeruleus, a brain structure producing norepinephrine, improves visual sensitivity in non-human primates. The study used optogenetics to selectively boost LC activity, resulting in drastic enhancements in performance on a visual attention task.
A new study using electrophysiology and optogenetics has shown that neurons in the primary visual cortex respond to brightness illusions, settling a long-standing debate in neuroscience. The findings suggest that higher-level neurons play a crucial role in modulating activity in lower-level neurons.
A computer vision researcher has developed privacy software for surveillance videos that obscures identifiable information such as faces and clothing in real-time. The software, funded by the National Science Foundation's Accelerating Research Translation program, aims to balance surveillance needs with privacy concerns.
Researchers at Aston University discovered that experienced Ordnance Survey mapmakers and novices interpret aerial images differently. The experts rely on stereoscopic cues, while novices focus on lighting cues, leading to improved performance through repeated exposure and perceptual learning.
Researchers from the University of Rochester found that blinking allows brains to process visual information more effectively, providing a new understanding of how humans see. By modulating visual input, blinks reformulate visual signals, enabling better perception of big patterns and overall visual scenes.
Researchers found considerable variation in human temporal resolution, with some people perceiving faster-changing visual cues than others. This discovery may impact high-speed situations such as ball sports and competitive gaming, suggesting individual differences in perception speed could be an advantage.
A new Dartmouth study reports on a unique case of prosopometamorphopsia (PMO), a rare condition that distorts facial features. The researchers used computer software to visualize the patient's real-time perception of face distortions, providing accurate and photorealistic visualizations for the first time.
Conventional projection mapping systems work only in dark environments due to surrounding illumination. Researchers from Osaka University developed a method to control both image and illumination, allowing for realistic projections in bright environments. This technology enables interactive displays with multiple viewers under natural ...
Researchers found that our brain processes vision in a rhythmic manner, increasing sensitivity during steps and decreasing it. This discovery has implications for understanding human behavior, decision-making, and potential applications in sports science and diagnostics.
A study published in Nature tracked neural activity of freely moving macaques using wireless eye tracking and neural monitoring. The research found that the visual cortex plays an active role in social behavior by providing signals to the prefrontal cortex, enabling the decision to cooperate.
The study reveals that the superior colliculus is vital in the transition from seeing individual flashes to smooth motion, and may be a key component in creating the continuity illusion. Different methods of measuring the Flicker Fusion Frequency threshold suggest other parts of the brain also play a role in this process.
A study by Konstanz biologists reveals that the moths use visual feedback to move and correct the movement of their proboscis, similar to humans grasping objects. The animals' efficient way of working is also great models for applied research in robotics and understanding the visual control of appendages.
Researchers found that 94% of patients with posterior cortical atrophy had Alzheimer's pathology, while only 70% of those with memory loss did. Early identification of PCA may lead to better treatment options for Alzheimer's patients.
A new study has identified a neural coding mechanism that allows for the transfer of information between perceptual and memory regions of the brain. This discovery challenges traditional understanding of brain organization and suggests that memory areas encode visual information in a 'photographic negative' format.
The Digital Media Overuse Scale (dMOS) is a new tool that measures digital media addiction, providing clinically relevant scores across various domains. Researchers found that overuse is typically reported in one or a few domains only, with social media being a significant concern.
A recent study reveals that infants aged six months and older can perceive misbinding, a type of visual illusion where features are mistakenly integrated. In contrast, infants under six months do not exhibit this phenomenon, indicating they may perceive the external world more accurately than adults.
Researchers at Duke University have discovered that subtle ear sounds can be decoded to pinpoint where someone's eyes are looking. By analyzing these sounds, the team was able to estimate the movement of the eyes and predict what the waveform of the ear sound would look like.
Researchers used AI models to analyze rat brain cells and found they can process high-level visual information like primates. This discovery sheds light on the visual system of rodents and has implications for understanding neurodegenerative disorders.
A recent study published in the Proceedings of the National Academy of Sciences found that AI's deep convolutional neural networks can identify faces but struggle to capture other important information like emotional state and trustworthiness. Brain activity scans revealed a weak correlation between AI's codes and human brain represent...
A new project aims to help robots assess risks and make autonomous decisions. The research focuses on quantifying ambiguity in robot perception to improve safety and efficiency.
Researchers developed an innovative method to enhance vision, overcoming location specificity limitations.
A new study finds that faces with acne, especially adult female acne, are perceived as less attractive, trustworthy, confident, successful, dominant, and happy. The study also highlights the emotional and psychological burden experienced by individuals with acne.
A new study finds that simple packaging design is positively associated with price, but not always enhances consumers' willingness to pay. The research team discovers that store-brand products and health-oriented consumers benefit from simplicity, while indulgent consumers prefer complex packaging.
Researchers discovered that reddish tints on faces can make happiness seem friendlier, while having no effect on angry expressions. The study suggests that facial color quietly affects our perception of emotions, even when we're not aware of it.
Researchers found goalkeepers have narrower temporal binding windows, indicating more precise multisensory processing and quicker estimations of audiovisual cues. They also showed less interaction between visual and auditory information, suggesting a greater tendency to separate sensory signals.
A joint research team published a review on in-sensor visual computing, a three-in-one hardware solution that overcomes high latency, power consumption, and privacy risks. The SCAMP chip is a key device, enabling general-purpose, programmable, and massively parallel systems for robotics and computer vision.
A team of researchers studied Claudio, a person with an inverted head position, to investigate the reasons behind human face recognition. They found that Claudio's performance in detecting and matching faces was not significantly different from that of typical individuals when faces were upright or inverted.
A study by Paolo Bartolomeo and Jianghao Liu investigated the nature of aphantasia, finding that individuals with aphantasia have normal perception and memory capabilities but struggle with visual mental imagery. They propose that phenomenal consciousness may play a role in this phenomenon.
Researchers found that footballers wearing jerseys featuring small numbers were rated as more slender, while those wearing big numbers were perceived as larger. The study suggests that visual perception may be influenced by cognitive biases.
A Cochrane review of 17 randomised controlled trials found that blue-light filtering spectacles may not reduce visual fatigue associated with computer use and do not improve sleep quality. The evidence is also unclear on their effects on retinal health.
Researchers found that rodents exposed to light for the first time in adulthood showed significant plasticity in their brains, challenging previous beliefs about adult brain rigidity. After a month, their brains looked similar to those of healthy controls, with organized visual responses and smaller receptive fields.
A recent study revealed that attention plays a crucial role in shaping our conscious experience of the world. Researchers found that manipulating attention can modify an individual's ability to consciously perceive visual stimuli, highlighting the intricate relationship between attention and conscious perception. By using advanced neur...
Researchers developed an artificial visual device that can operate in self-powered mode, exhibiting human-eye-like adaptation behaviors. The device demonstrates broadband light-sensing image adaptation and synergetic visual adaptation, showcasing its potential for advancement in intelligent opto-sensors and machine vision systems.