Articles tagged with Visual Perception
Comprehensive exploration of living organisms, biological systems, and life processes across all scales from molecules to ecosystems. Encompasses cutting-edge research in biology, genetics, molecular biology, ecology, biochemistry, microbiology, botany, zoology, evolutionary biology, genomics, and biotechnology. Investigates cellular mechanisms, organism development, genetic inheritance, biodiversity conservation, metabolic processes, protein synthesis, DNA sequencing, CRISPR gene editing, stem cell research, and the fundamental principles governing all forms of life on Earth.
Comprehensive medical research, clinical studies, and healthcare sciences focused on disease prevention, diagnosis, and treatment. Encompasses clinical medicine, public health, pharmacology, epidemiology, medical specialties, disease mechanisms, therapeutic interventions, healthcare innovation, precision medicine, telemedicine, medical devices, drug development, clinical trials, patient care, mental health, nutrition science, health policy, and the application of medical science to improve human health, wellbeing, and quality of life across diverse populations.
Comprehensive investigation of human society, behavior, relationships, and social structures through systematic research and analysis. Encompasses psychology, sociology, anthropology, economics, political science, linguistics, education, demography, communications, and social research methodologies. Examines human cognition, social interactions, cultural phenomena, economic systems, political institutions, language and communication, educational processes, population dynamics, and the complex social, cultural, economic, and political forces shaping human societies, communities, and civilizations throughout history and across the contemporary world.
Fundamental study of the non-living natural world, matter, energy, and physical phenomena governing the universe. Encompasses physics, chemistry, earth sciences, atmospheric sciences, oceanography, materials science, and the investigation of physical laws, chemical reactions, geological processes, climate systems, and planetary dynamics. Explores everything from subatomic particles and quantum mechanics to planetary systems and cosmic phenomena, including energy transformations, molecular interactions, elemental properties, weather patterns, tectonic activity, and the fundamental forces and principles underlying the physical nature of reality.
Practical application of scientific knowledge and engineering principles to solve real-world problems and develop innovative technologies. Encompasses all engineering disciplines, technology development, computer science, artificial intelligence, environmental sciences, agriculture, materials applications, energy systems, and industrial innovation. Bridges theoretical research with tangible solutions for infrastructure, manufacturing, computing, communications, transportation, construction, sustainable development, and emerging technologies that advance human capabilities, improve quality of life, and address societal challenges through scientific innovation and technological progress.
Study of the practice, culture, infrastructure, and social dimensions of science itself. Addresses how science is conducted, organized, communicated, and integrated into society. Encompasses research funding mechanisms, scientific publishing systems, peer review processes, academic ethics, science policy, research institutions, scientific collaboration networks, science education, career development, research programs, scientific methods, science communication, and the sociology of scientific discovery. Examines the human, institutional, and cultural aspects of scientific enterprise, knowledge production, and the translation of research into societal benefit.
Comprehensive study of the universe beyond Earth, encompassing celestial objects, cosmic phenomena, and space exploration. Includes astronomy, astrophysics, planetary science, cosmology, space physics, astrobiology, and space technology. Investigates stars, galaxies, planets, moons, asteroids, comets, black holes, nebulae, exoplanets, dark matter, dark energy, cosmic microwave background, stellar evolution, planetary formation, space weather, solar system dynamics, the search for extraterrestrial life, and humanity's efforts to explore, understand, and unlock the mysteries of the cosmos through observation, theory, and space missions.
Comprehensive examination of tools, techniques, methodologies, and approaches used across scientific disciplines to conduct research, collect data, and analyze results. Encompasses experimental procedures, analytical methods, measurement techniques, instrumentation, imaging technologies, spectroscopic methods, laboratory protocols, observational studies, statistical analysis, computational methods, data visualization, quality control, and methodological innovations. Addresses the practical techniques and theoretical frameworks enabling scientists to investigate phenomena, test hypotheses, gather evidence, ensure reproducibility, and generate reliable knowledge through systematic, rigorous investigation across all areas of scientific inquiry.
Study of abstract structures, patterns, quantities, relationships, and logical reasoning through pure and applied mathematical disciplines. Encompasses algebra, calculus, geometry, topology, number theory, analysis, discrete mathematics, mathematical logic, set theory, probability, statistics, and computational mathematics. Investigates mathematical structures, theorems, proofs, algorithms, functions, equations, and the rigorous logical frameworks underlying quantitative reasoning. Provides the foundational language and tools for all scientific fields, enabling precise description of natural phenomena, modeling of complex systems, and the development of technologies across physics, engineering, computer science, economics, and all quantitative sciences.
A small study funded by the National Eye Institute found that a unique brain region called the occipital place area (OPA) supports visually guided navigation when walking, but fails to activate during crawling. This finding may help explain how children learn to navigate their surroundings and develop motor skills.
A new 'multisensory pseudo-haptic' technology delivers believable tactile experiences in virtual environments by combining visual feedback from a VR headset with tactile sensations from a mechanical wristbracelet. This innovation keeps hands free, enabling long-term wear and more realistic user experiences.
New research explores the impact of digital media on visual perception, finding that online environments can shift what the brain pays attention to. Studies suggest that excessive digital use can lead to a reduced sensitivity to oblique angles, but this effect may not be permanent once exposure to nature increases.
Researchers mapped every thalamic synapse on 15 neurons in layer 2/3 of the visual cortex in mice and found that despite being weak and sparse, they are reliable and efficient representatives of information. The diversity of thalamic inputs underlies these advantages, allowing a small population of neurons to assemble the overall picture.
A study with human subjects found that varying training conditions led to better generalization of task performance, even in the presence of irrelevant stimuli. This suggests that more variability in training can lead to improved learning outcomes by enabling the brain to create invariant representations.
A recent study from Cornell University found that visual depictions of food pantry offerings, including brand names, have an ameliorative effect on negative product perceptions. The research also revealed that participants' pantry use history plays a role in their assessment of the quality of the food pantry products.
A new study found that structured visual design properties, such as symmetry and balance, reinforce claims about a brand's utilitarian benefits. In contrast, unstructured designs are associated with hedonic benefits. The research suggests marketers can use perception to influence beliefs about brand performance and consumer choice.
Researchers suggest that societal training shapes gendered perceptions of domestic tasks, with women more likely to see 'to be done' affordances. Men can improve their sensitivity to these affordances through conscious effort and habit formation.
A UCLA study conducted by Zili Liu and Chéla R Willey found that white, Asian American, and recent Asian immigrant college students performed similarly on a well-known visual perception test, known as the rod-and-frame task. The results suggest that basic visual functions are largely independent of cultural variation.
Research found that sounds can influence how we perceive objects visually, making related sounds prioritize certain features. This effect was observed in three experiments, showing that audio input influences object-morph selection speed and accuracy when played during visual discrimination phase.
A new study from Duke University finds that single neurons in the visual cortex rapidly switch between reporting on two separate objects by alternating signals. When objects overlap, brain cells treat them as a single entity, suggesting a more complex encoding process for everyday perception.
Researchers created a detailed map of the hippocampus's connections to the rest of the brain, finding fewer links with frontal lobes but more with visual networks. This discovery may change how we think about human memory and cognition, potentially shedding light on why some primates excel at certain memory tasks.
A novel multi-modal image retrieval system, DenseBert4Ret, has been developed by researchers from Gwangju Institute of Science and Technology (GIST) using deep learning algorithms. The system outperforms state-of-the-art models in retrieving images based on both image and text features.
A study published in Scientific Reports shows that individuals with extensive experience performing inverted movements, such as vertical dancing, can overcome the inversion effect in perceiving biological motion. This ability is crucial for survival and social interaction, but is impaired when movements are performed upside-down.
Researchers found that individuals who underwent hemispherectomy surgery at a young age can still recognize differences between pairs of words or faces with remarkable accuracy. The study, published in PNAS, sheds light on brain plasticity and its limitations.
A study by the University of Exeter shows that urban life leads to a decline in plant awareness, which can be addressed through activities like wild food foraging. The research found that people's interest in plants develops where they have frequent interactions with relevant plants.
A study assesses and optimizes the landscape visual aesthetic quality of street pedestrian spaces in Jinan, China's historic downtown, using panoramic images and deep learning methods. The research finds that urban streets with high aesthetic quality serve as corridors among mountains and natural landscapes, improving city image.
A York University study found that deep convolutional neural networks (DCNNs) fail to capture the configural nature of human shape perception, which could be dangerous in traffic video safety systems. The researchers discovered that while humans use configural shape perception, DCNNs take 'shortcuts' and are insensitive to this aspect.
Researchers at Emory University used machine learning and fMRI to analyze a dog's brain activity while watching videos. The results show that dogs are more attuned to actions in their environment than to who or what is performing the action. This study offers proof of concept for decoding canine visual perception.
A recent ECU study discovered that tRNS can enhance neuroplasticity, allowing the brain to form new pathways and connections. This technology has shown promise as a tool to assist individuals with learning difficulties or neurological conditions.
Researchers at George Washington University found that people perceive objects differently based on their prior knowledge and experience, with manipulable objects perceived faster but with less detail, while non-manipulable objects are perceived slower but with higher detail.
A new study found that Alzheimer's disease damages a circuit that connects the vision processing centers of each brain hemisphere, leading to disrupted visual memory. The researchers discovered neurons that extend axons across the corpus callosum, which connect the hemispheres, and showed that these cells play a crucial role in synchro...
Researchers discovered that face centering, not saliency, plays a key role in guiding attention to faces in videos as people age. The findings have implications for children's television programming and the diagnosis of autism spectrum disorder.
Researchers found that smells can enhance or hinder our ability to recognize emotions in others' faces. The study used a spectrum of emotions, from extreme joy to neutral, and measured participants' response times.
Researchers propose a new learning method for individuals with autism, utilizing 'memory flashes' to accelerate learning and improve visual perception capabilities. The study showed significant improvement in both learning speed and generalization of skills, even under new conditions.
A study by Toyohashi University of Technology found that the human visual system flexibly modulates observers' perception according to their posture. The research used the Necker cube as a visual stimulus and found a significant difference in probability of perception depending on the viewing posture, with a bias towards looking up.
A new study has discovered the neuronal changes that occur during learning to improve discrimination of closely related visual images. Researchers found that experience-driven changes in neural activity enhance discriminations relevant to task performance at the expense of other related discriminations.
Researchers have developed photonic synapses using large-area, uniform multilayer MoS2 films that integrate sensing-memory-preprocessing capabilities. These devices exhibit ultralow power consumption of about 40 aJ and can simulate short-term synaptic plasticity, long-term synaptic plasticity, and other synaptic properties.
Researchers found that individual variation in primary visual cortex size and brain tissue can predict contrast sensitivity, with larger V1 areas and more cortical tissue leading to better vision at specific locations. The study reveals a new link between brain structure and behavior.
A new study reveals an 'expanding hole' illusion that deceives the brain, prompting a dilation reflex in the pupils and making us perceive more light. The illusion is perceived by approximately 86% of people and affects how our visual system anticipates and makes sense of the visual world.
Researchers at Aalto University have discovered a dedicated neural pathway in the retina that can detect even the dimmest shadows possible. This breakthrough could lead to unprecedented resolution in probing visual diseases.
A NTU Singapore study found that consumers associate higher-pitched commercials with healthier food products. The researchers also discovered a link between more stimulating visuals and consumer perceptions of healthiness.
Researchers have developed CAS(ME)3, a large-scale micro-expression database with depth information and high ecological validity. The database contains 1,109 manually labeled micro-expressions and 3,490 macro-expressions, allowing for more accurate emotional analysis and recognition.
A study found that infants aged 5-8 months preferentially perceive faces in the upper visual field. The bias emerges around 7 months and is specific to faces, with no observed bias for non-face images. This suggests an important role of experience with faces in daily life in shaping this perceptual bias.
Researchers at Salk Institute discover that brain parses information through interactions of waves of neural activity, changing how data is processed and affecting attention and focus.
Research by Sightsavers and others estimates that blind people are nearly four times as likely to experience anxiety and depression as those with no vision impairment. The study highlights the need for governments and organizations to be aware of this issue and design health services to address it.
Researchers found that attention-related signals occur independently of eye movement signals, and microsaccades are not required for shifting attention. This breakthrough resolves controversy about brain systems for attention and has implications for understanding attention disorders and behavior.
Researchers at Duke University have demonstrated a new attack strategy that can deceive industry-standard autonomous vehicle sensors into believing nearby objects are closer or further than they appear. This vulnerability highlights the need for additional redundancy and data sharing between vehicles to protect against such attacks.
Researchers found that alpha oscillations are involved in two distinct processes: one related to observation accuracy and the other to internal representation of sensory events. Increasing or decreasing alpha speed and amplitude can independently modulate perception accuracy.
GIST researchers propose a new strategy for crime prevention using artificial intelligence, trained on a large-scale dataset of deviant incident reports and corresponding images. The model, called DevianceNet, can accurately classify and detect deviant places, making it a useful tool in urban safety development.
Research reveals that the brain's electrical rhythms fluctuate between high precision and low precision states several times per second, affecting how relevant information is transmitted. Cross-frequency coupling enables selective attention by modulating the strength of different frequencies, while distinguishing between different type...
The study reveals that seven indicators affect people's decisions, including ornament, material, and line, which influence heritage perception. A model can predict the heritage potential of a building by ordinary people.
Four IIT researchers have been awarded €150,000 each from the European Research Council to develop groundbreaking technologies addressing health challenges, such as tumours, blindness, and amputations. Their projects aim to substitute critical raw materials in electronics and create multisensory systems for visually impaired infants.
New research reveals mosquitoes use red and orange colors to detect hosts, influenced by their sense of smell. By filtering out these colors or wearing specific attire, individuals can potentially prevent mosquito bites, reducing the risk of diseases like dengue and Zika.
Neuroscientists discover visual experience necessary to specify types of cells that form in brain. Researchers found that exposure to light altered the expression of genes and led to changes in cell connectivity.
Researchers at ETH Zurich have developed a new control technology that enables ANYmal, a quadrupedal robot, to combine visual perception of its environment with proprioception-based sensing. This allows the robot to tackle rough terrain faster and more efficiently.
Researchers found that our brains consolidate visual input every 15 seconds into one impression, helping us handle everyday life. However, this delay can also lead to negative consequences, such as missing critical information in high-stakes situations.
A new study reveals that the superior colliculus, a lesser-studied region responsible for saccades and facial recognition, dynamically changes its clustering of neurons depending on the mouse's conscious state. This finding suggests that the brain optimizes visual information processing based on its awake or anesthetized state.
Researchers developed a virtual walking system that uses 360° videos and scene-congruent foot vibrations to improve sensations of walking and perception of ground materials. The system was found to enhance walking-related sensations and telepresence, particularly in indoor corridors and snowy ground scenes.
Carlos Ponce is studying the parts of the visual system that analyze shapes, using macaque monkeys as a model. He combines computational models with electrophysiology experiments to understand how neurons process visual information.
A study published in eLife found that rats exhibit efficient coding processes for visual stimuli, similar to those observed in humans. This suggests a universal principle in vision, where the brain adapts to its environment by specializing in the recognition of informative signals, thereby conserving computational resources and energy.
Tiny fixational eye movements, beyond human awareness, are critical for fine details and everyday tasks. Microsaccades cause transient visual suppression during gaze shifts, but vision recovers rapidly at the center of gaze, leading to enhanced overall visibility.
Research published in JNeurosci found that children with dyslexia take longer to gather visual evidence, indicating altered motion processing and decision-making. This slowdown corresponds to differences in brain activity, particularly in centro-parietal regions involved in decision making.
Researchers uncover how sensory inputs and cognitive processes interact in the brain to create our perception of the world. The study explores the neural basis of perceptual phenomena, shedding light on disorders like ADHD, autism, and Alzheimer's disease.
A new study reveals that non-mammalian vertebrates may have an efficient way of deciphering between color and greyscale information. Zebrafish were found to use four types of cone-photoreceptors, which respond to different wavelengths, to distinguish color in a simpler manner than humans.
New research in zebrafish reveals the genetic mechanisms behind blue and green color vision loss in human ancestors. By studying gene editing tools and genome sequencing, experts understand how genes are regulated to detect different light wavelengths.
A team of researchers has found a 390-million-year-old hyper-facet eye system in trilobites that is unique to the animal kingdom. The discovery suggests that this ancient eye may have been an adaptation for life in low light conditions, and could provide insights into the evolution of visual systems.
Researchers at the University of Birmingham discovered that humans process written words rapidly, using pre-processing judgments within 100ms, and that this activity is linked to the complexity of the word. This study has significant implications for diagnosing and training individuals with dyslexia where pre-processing is impaired.
Researchers found that batters keep their eye on the ball but move their head to direct their gaze. The study suggests that this movement may help reduce visual calculations needed for accurate bat placement. Further investigation is needed to determine if eye-gaze-based training can improve batting performance.
Researchers found that mice can make fine visual discriminations between slightly different lines, suggesting a more complex decision-making process than previously thought. The study's findings highlight the importance of considering non-perceptual biases in understanding animal behavior and decision-making strategies.