Articles tagged with Perception
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Research shows that bitter taste receptors can be activated by steroid hormones, influencing physiological processes. The study found that certain hormone types, like progesterone and testosterone, activate these receptors, which may play a role in pregnancy-related taste changes or stress-induced physiological responses.
A COVID-19 survey found that young carers experience higher stress levels with greater care responsibilities. However, they also exhibit positive emotions like a sense of accomplishment and pride. The surveys revealed more pronounced emotional responses in 2024, suggesting growing societal understanding and support for young carers.
Repeated exposure to bodily waste significantly reduces parents' disgust responses, with effects that persist over time. This desensitisation allows parents to care for their children when they are ill, and is an adaptive response to the high-risk environment of childcare.
Research from Karolinska Institutet found that alpha frequency determines body ownership by modulating temporal integration of bodily signals. Faster frequencies led to higher temporal resolution, while slower frequencies caused broader timing differences.
A team from Tokyo Metropolitan University found that numerical information in vision affects spatial perception, introducing complex interplay between object-based processing and number value. Their experiments with squares showed a strong vertical bias when numbers were present, highlighting the impact of the ventral visual stream.
Researchers at Tohoku University demonstrated that taste sensitivity can be enhanced through learning in a novel 'sweet taste recall training.' After just three days of training, participants showed significant improvement in taste sensitivity for all five sweet substances, indicating a sharper perception of sweetness. This finding pro...
A team of researchers from the University of Tokyo used AI and fMRI to study brain activity while participants viewed dance clips. They found that experts exhibited more diverse neural patterns than non-experts, suggesting a greater freedom in artistic expression.
Researchers found that zebra finches categorize calls into about a dozen call-types, similar to how humans hear and group them. The birds' ability to distinguish between calls with similar meaning suggests they have a mental representation of the meaning behind these vocalizations.
Researchers found that a rotating brain wave helps the cortex recover its computational path after a distraction, improving performance in visual working memory tasks. Longer time intervals between distractions also aid recovery.
Researchers at the University of Cambridge found that the human eye has a resolution limit, above which screens provide more information than can be detected. For an average UK living room, a 44-inch 4K or 8K TV does not offer additional benefits over a lower resolution Quad HD TV.
Researchers found that approach-avoidance behavior modulates facial expression recognition, with participants perceiving angry faces more when avoiding the face. This study contributes to understanding the reciprocal relationship between perception and action in social contexts.
Scientists at RIKEN Center for Brain Science found that fruit flies use separate circuits to compute pleasant and unpleasant odors, challenging the idea that 'good' is the opposite of 'bad'. The discovery may contribute to a better understanding of human brain's flavor appreciation mechanisms.
Researchers found that people process sounds differently when walking compared to standing or walking in place. The brain responds more strongly to sounds while walking, and this response changes depending on the direction of the walk.
Hyperthymesics possess extraordinary control over memories of life events, organizing them within a mental space for vivid recall. This ability allows for intense mental travel through time, with some individuals recalling details from different points of view.
Scientists discovered that people struggle to recognize ads on social media due to their ability to blend in with organic content. When participants realized an ad was sponsored, dwell time dropped significantly, indicating a loss of engagement.
A study published in Perception found that people consistently overestimate the steepness of a hill when viewed at an angle, regardless of their eye height. The researchers tested participants' ability to estimate the slope of a wooden ramp while seated, standing on a step ladder, or lying down.
Researchers have established apple snails as a system to study eye regeneration, which may hold the key for restoring vision due to damage and disease. The team discovered that the snail eye is anatomically similar to humans and can regrow itself, with genes such as pax6 playing a crucial role in development.
A new study reveals that the brain has distinct regions for processing 'things', such as rigid objects, versus 'stuff', like liquids or sand. These findings may help the brain plan interactions with different materials, similar to artificial physics engines used in video games.
A UNIGE team has identified a new brain mechanism responsible for modulating sensory signals. This discovery reveals a previously unknown form of communication between the thalamus and somatosensory cortex, which could explain perception variations and open up new avenues for understanding mental disorders.
Researchers found that friends tend to perceive products similarly and exhibit synchronized brain activity when viewed together, even predicting each other's purchasing intentions. As friendships deepen, this similarity strengthens.
A new study by the University of Cambridge found that seaside and blue-colored places are more likely to evoke feelings of nostalgia in people. The research suggests that these environments have visual properties that contribute to positive emotions, including 'fractal property' and high contrast.
A new study published in PNAS Nexus explores how opinions within inner circles influence the perception of social division. The researchers found that consensus within one's circle can exaggerate perceptions of polarization, and that subjective lenses change over time, influencing how individuals perceive societal polarization.
A new study found that people's intuitive perception of biodiversity through visual and audio cues is remarkably accurate, aligning closely with scientific measures. Participants sorted images and audio recordings of forests based on perceived biodiversity, noticing vegetation density and light conditions visually, while acoustically d...
Researchers found that perception of visual diversity was linked to color, vegetation density, lighting, and forest structure, while acoustic diversity was linked to birdsong, volume, and seasonal cues. Participants were more accurate when assessing forest biodiversity through sound alone than through sight alone.
A new study from the University of Bath found that individuals with a higher IQ make more realistic predictions, leading to improved life outcomes. Smarter people are significantly better at forecasting, making fewer errors and showing more consistent judgement compared to those with a lower IQ.
A recent study found that parental firearm storage methods, such as locking and unloading guns, may not be effective in preventing teens from accessing household firearms. Storing additional firearms securely does not necessarily negate the perceived risk of access if at least one gun remains unlocked.
Researchers found that male mosquito brains respond to a wider range of sounds than females and have more diverse responses. This suggests that males use complex acoustic cues to locate females in noisy environments, making traditional traps less effective.
A randomized controlled trial shows that eating more or less sweet-tasting foods didn't change how much people liked sweet flavors. The study found no association between the amount of sweet foods consumed and changes in body weight or biomarkers for diabetes and cardiovascular disease.
A team of researchers investigated the impact of Kyoto's Murin-an garden on viewers' relaxation. They found a correlation between rapid gaze shifts and reduced stress levels. The design features of the well-crafted Japanese garden led to frequent, rapid horizontal shifts in gaze, which induced a calming effect.
Research by MIT neuroscientists reveals that the brain separates its processing of spatial information to maintain cognitive advantage, yet seamlessly blends it with other features. The study also explores how the brain 'hands off' visual information between hemispheres.
A study by Technical University of Munich and University of Vienna found that resistance to restrictive measures is often less robust than feared by policymakers. Once the new rules come into force, people's attitudes towards them decline significantly, revealing a psychological mechanism behind this phenomenon.
A new method to measure touch reception has been developed, allowing robots to accurately sense object curves and edges. By addressing the insulation layer issue in robotic skins, the researchers provided a clear step-by-step guide for trouble-shooting.
A study from Rockefeller University's Charles D. Gilbert lab found that prior experience plays a crucial role in object recognition, allowing neurons to adapt and respond to complex visual stimuli. This countercurrent stream of 'top-down' information enables neurons to update their responsiveness moment-to-moment.
Researchers found that the brain's visual system adapts in real-time to make sense of information, depending on current tasks. This challenges traditional views and opens new approaches for designing AI systems with adaptive capabilities.
A team of researchers from the University of Tokyo and Monash University developed a novel approach to quantify consciousness, specifically analyzing color similarity judgments. They found that color-neurotypical red is relationally equivalent to other color-neurotypical's red, but not to colorblind people's red.
A study found that people process movements differently based on avatar appearance, with a neural system dedicated to perceiving others' movements playing a key role. The findings may help scientists improve human-AI interactions.
A virtual reality experiment found that fear, pain, and expectations can disrupt the mind's grip on the body. The study used the rubber hand illusion to test how top-down factors influence a sense of body ownership in individuals with depersonalization tendencies.
A new analysis of 105-year-old data found that while dazzle camouflage had some effect, the 'horizon effect' had a much greater influence on confusing enemy ships. The study, led by Aston University researchers, showed that when people looked at a ship in the distance, they significantly underestimated its direction of travel.
Research reveals that perceived trustworthiness of others alters brain activity in reward and salience networks, driving assessments of safety and risk. Higher perceived odds of HIV transmission lead to more distrust and activation of the salience network.
Researchers found that desert ants rely on the polarity of the geomagnetic field to navigate during learning walks, contradicting previous findings in other insects. The team manipulated magnetic fields and observed the ants' behavior, concluding that a compass-like navigation system is useful for short-distance navigation.
A study found that people's eyes are drawn to areas with high potential for change before any movement occurs, even when the scene appears static. This behavior is not limited to animate objects and has significant implications for intelligent machines.
A new study from Kessler Foundation scientists examines the determinants of feedback-seeking behavior and its impact on learning. The findings suggest that low confidence in task performance significantly motivates individuals to seek corrective feedback, which enhances learning outcomes.
Fiber-rich food manufacturers can now create palatable products by encapsulating insoluble fibers in a soft, velvety gel coating. The treatment reduces the sensation of grittiness and dryness in the mouth by up to 52% and 36%, respectively.
Researchers at Bar-Ilan University used a novel motion simulator to study rodent navigation in dark environments. The study found that rats use airflow cues, combined with their sense of balance, to enhance their self-motion perception. This breakthrough sheds light on the mechanisms behind sensory processing and brain function.
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 study of Reddit comments on ChatGPT's launch reveals the tech community is more strongly divided in their opinions about AI. While non-tech discussions focus on social issues like job replacement, tech-centric subreddits have more focused and opinionated debates.
Researchers have published an extensive eye-tracking dataset of over 410,000 words for Japanese students learning English. The Tsukuba Eye-tracking Corpus (TECO) provides valuable data for studying reading comprehension and second language acquisition.
A study at TUM has debunked the assumption that people overestimate dramatic causes of death due to media attention. Instead, deaths in personal environments have a more significant impact on risk perception. Respondents can consciously engage with news reports and incorporate other sources into their judgment.
A new IU study reveals that young infants' daily-life input is unique to their age, characterized by high-contrast edges and simple patterns, which serve as a foundation for human vision. This finding has implications for addressing lifelong visual deficiencies and improving AI visual systems.
A new study reveals that neural activity related to sound detection and movement are temporally separated but share commonalities, with neurons adapting their activity based on experience. The findings shed light on the brain's complex processing of sensory information and behavioral choices.
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.
The Association for Chemoreception Sciences (AChemS) 46th annual meeting features 62 presentations and 184 accepted posters on various topics including taste transduction, olfactory dysfunction, and social behavior. The conference promises a comprehensive exploration of cutting-edge research with keynote presentations and symposia.
A team of researchers from the University of Rochester used adaptive optics to identify rare retinal ganglion cells that could help explain how humans perceive color. These non-cardinal RGCs may work in tandem with cardinal RGCs to create more complex color perceptions.
A study published in Scientific Reports found that people who respond to estimations are more likely to be influenced by their previous answers, a phenomenon known as serial dependence. This could aid research into how information presentation affects human understanding.
The Federation of European Neuroscience Societies is open to media registration for its 2024 event. Journalists can access the latest research discoveries in neuroscience fields such as dementia, addiction and depression.
A new study by George Washington University researchers found that people make instant judgments about unknown dogs based on their facial appearance. The study's lead author, Courtney Sexton, suggests that better understanding canine and human communication is crucial as these animals play increasingly important roles in society.
A University of Washington team discovered that nitrate radicals in the air degrade scent chemicals released by wildflowers, making them undetectable to nighttime pollinators. The researchers found that pollution likely has worldwide impacts on pollination, with areas including western North America and Europe most affected.
A new study evaluates effective short video concepts for tobacco control during the Chinese Lunar New Year, finding that certain designs can change behavioral intentions and cultural appropriateness. The most suitable design was a 'Gamified couple at home' style video, while another option showed promise in personal motivation but was ...
Research suggests that consciousness requires synchronized communication across cortical regions; propofol general anesthesia cancels sensory processing by cutting it off. Neural activity in higher-level processing and cognitive regions fails to propagate during anesthesia.
A recent study found that a reimagined financial content structure improved consumer appreciation, particularly with clarity, organization and formatting. The new structure incorporated language improvements, explanatory videos, and hyperlinks, leading to higher levels of consumer appreciation compared to the existing structure.