Articles tagged with Sensory Perception
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Researchers found that archerfish can recognize unfamiliar insects as animals based on six essential features. The fish use these features, including shape and texture, to distinguish between animals and plants, similar to human face recognition strategies.
Researchers at the University of Pittsburgh have discovered how 'polyglot' neurons encode and decode sensorimotor chatter, enabling the differentiation between motor and sensory signals. This breakthrough has vital applications in brain-computer interfaces and neuroprosthetics, where accurate decoding is crucial.
A study found a link between ASMR and higher levels of neuroticism and anxiety. Those who experience ASMR reported reduced anxiety after watching an ASMR video, suggesting it could be a suitable intervention for anxious individuals.
A recent study from Ohio State University found that labeling identical products as 'new and improved' resulted in higher overall liking ratings compared to those labeled as 'consumer complaint.' The researchers suggest that this negative bias has a bigger impact on consumer perception than positive labels.
A team of researchers at Washington University in St. Louis used machine learning to understand how locusts can consistently recognize smells despite environmental factors, finding that combining the activity of ON and OFF neurons provides a simple yet effective solution.
Measuring apple liquors' conductivity can provide a more objective assessment of their processing, allowing for better flavor quality. The study found that monitoring conductivity during distillation can identify the best conditions for producing high-quality apple spirits.
Researchers found that urinary incontinence can distract from balance and stability, increasing the risk of falling in older adults. The study showed that the feeling of having to pee acts as a distracting factor, leading to changes in gait patterns similar to those caused by other distracting tasks.
A blind taste test by University of Copenhagen researchers shows Danes prefer conventional and organic farmed smoked salmon over wild-caught. The study reveals that people's expectations about a product affect their overall taste experience.
A study found that adults with sensory impairment experienced a decline in emotional well-being during the pandemic due to lack of social interactions. Researchers hope to develop hybrid solutions for remote access and clear communication.
Researchers used a machine-learning algorithm to identify differences in how the brain responds to various chemicals, including salt and benzaldehyde. The study provides insight into how brains process information and may help understand sensory processing disorders.
Researchers at University of California San Diego School of Medicine identified the anterior insula's role in predicting and emotionally processing pain in HIV-DSP patients. The study suggests that reduced anterior insula activity or increased cingulate activity may improve pain outcomes for these patients.
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.
Researchers found that future goals are represented by a pattern of neural activity resembling previous visits, and this activity can re-emerge upon decision to target a location. The orbitofrontal cortex plays a key role in representing future goals during navigation.
Research finds that fruit flies fall asleep when moved in slow circles, and this effect continues in flies missing key circadian clock genes. The study also reveals the role of nanchung receptors, which are sensitive to vibrations and motion, in inducing daytime sleep.
Researchers found that males and females have different heat-sensing systems, which may be related to reproduction and offspring care. This difference leads to segregation between the sexes at certain periods during breeding cycles.
By analyzing pitch, length, octaves, chords, dynamics, and main theme of four pieces from the mid-1800s Romantic era of classical music, researchers created protein songs with improved musicality. The study found that using a specific music style guided the structure of proteins to produce more pleasant melodies and harmonies.
A research team led by NJIT's Tara Alvarez is enrolling 100 participants with persistent symptoms of convergence insufficiency (CI) post-concussion for clinical trials. The study aims to establish guidelines for diagnosing and treating CI, a disabling eye disorder causing blurred vision, headaches, and cognitive difficulties.
Researchers have developed a new interface technology that can provide natural sensory feedback from robotic prosthetics to amputees, reducing abnormal sensations and cognitive burden. The innovation uses ultra-small recording sites and molecular guidance cues to stimulate sensory axons selectively, improving control of robotic limbs.
A new VA study finds a strong connection between PTSD symptom severity and anxiety sensitivity among female Veterans who experienced military sexual trauma. Treating anxiety may ease core PTSD symptoms, suggesting anxiety sensitivity as a potential target for treatment.
Novice participants in a three-week online meditation course showed improved emotional wellbeing, concentration, and motivation. Effects were strongest among those with high levels of self-control and motivation, highlighting the importance of individual differences in response to mindfulness interventions.
Researchers discovered a brain circuit that combines excitatory and inhibitory neurons to enforce reliability in visual processing. The team found that activity among two types of inhibitory neurons, PV and SST, work together to control the gain of excitatory neurons and improve representation consistency.
Researchers at University of Toronto found that the brain's prefrontal cortex generalizes perceptual experiences from different senses, producing sensations even without direct experience. The study used functional magnetic resonance imaging and massage stones to capture neural activity patterns in the brain.
A pilot study from North Carolina State University found that a gene associated with autism spectrum disorder and pain hypersensitivity may decrease itch response. Contactin-associated protein 2 (CNTNAP2) is expressed in sensory neurons responsible for transmitting sensations of both pain and itch.
A recent study published in PLOS ONE explores the experience of pure consciousness during meditation, identifying 12 key factors that characterize this state. These findings provide insight into human consciousness and have implications for further research, including potential applications beyond meditation practices.
A team of neuroscientists at the Beckman Institute discovered a new neuronal circuit that selects sensory information relayed to the auditory cortex. The study reveals a 'non-linear response' mechanism, allowing humans to focus on specific sensory inputs.
Researchers developed a VR walking simulator that replicates the sensation of walking using full-body or hands-and-feet-only avatars. The device uses optic flows and rhythmic foot vibrations to create a realistic walking experience, potentially enhancing VR users' experiences.
Researchers at Toyohashi University of Technology developed a virtual walking system that induces illusory walking sensations without actual limb movement. The system combines a head-mounted display, four vibrators, and a walking-avatar to simulate footsteps.
A research team has discovered a metabolic footprint associated with the perception of satiety, revealing that higher concentrations of glycine and linoleic acid are linked to increased satiety. The study involved 140 volunteers with overweight and obesity, showing that certain metabolites in the blood can predict postprandial satiety.
A new study measures curiosity styles using Wikipedia browsing, finding 'hunter' and 'busybody' archetypes with distinct network structures. The study also explores the drivers of these changes and links them to well-being indicators.
A new study has identified and characterized neurons that regulate nausea-like responses in mice, shedding light on the sensation of nausea. The findings reveal a division of labor between area postrema neurons, with different neuron types responsible for detecting and raising the alarm for various substances.
Research from the University of Göttingen found that broad beans can be used as a protein-rich alternative to soybeans in poultry feed without compromising meat quality. The study also showed that dual-purpose chicken breeds can produce high-quality eggs and chicken meat while improving animal welfare.
A recent study reveals the hierarchical representation of color in the brain, from cone-activation signals to isotropic hue representation. The study found that different areas of the cortex process color information in a progressive manner.
A study led by Jennifer Todd at Anglia Ruskin University found that paying attention to internal bodily sensations can increase appreciation of one's body. The researchers measured gastric interoception and found a link between feelings of fullness and positive body image in adults from the UK and Malaysia.
A new study from the University of Pittsburgh's Rehab Neural Engineering Labs has repurposed spinal cord stimulators to provide sensory feedback to amputees, generating sensations such as touch and pressure. The devices were found to be stable and effective in restoring feelings of touch in users.
Researchers found that human participants consistently biased their movements toward a perceived stronger odor source, even when unable to report nostril detection. The study suggests that humans navigate with stereo olfaction, similar to the binocular and binaural senses that enable 3D perception.
Researchers at Chalmers University of Technology have developed mind-controlled arm prostheses that deliver sensations of touch, revolutionizing prosthetic technology. The new neuromusculoskeletal prosthesis is connected to the user's nerves, muscles, and skeleton, enabling patients with arm amputations to experience a sense of touch i...
A study by UTSA researchers found a significant link between cultural values and how individuals express illness. Participants who identified as stoics or had lower household incomes were more likely to claim being sick. The study's findings have implications for understanding sickness behavior and its relationship with social norms.
Research finds that low levels of infection can cause chronic bladder dysfunction and magnify sensations felt by patients with urinary tract infections. Understanding how nerves transmit different sensations to the brain could help limit bladder dysfunction in overactive bladder patients.
Liberals and conservatives experience moral violations in distinct areas of the body, interpreting them as complex feelings that inform moral judgments. The study suggests that at least some differences between emotional processes can be attributed to political affiliation.
A team from the University of Rochester found that non-monogamous relationships succeed when all parties are comfortable with each other. Monogamous and consensual non-monogamous groups reported high levels of functioning in their relationships, while partially open and one-sided non-monogamous groups showed lower levels of functioning.
Researchers at ETH Zurich developed a neuroprosthetic system that allows leg amputees to feel sensations from the prosthesis, giving them a sense of control and confidence while walking. The system involves tiny electrodes implanted in the nerve, allowing the brain to perceive the prosthesis as an extension of the body.
A new study found that pill testing services at music festivals may be most effective in reducing harm for people trying ecstasy for the first time, as they are most cautious after a pill test. However, prior users who are high in sensation seeking are at the greatest risk of harm, even with a pill test. Introducing counselling and dru...
Patients often downplay minor symptoms, fearing a waste of doctor's time, and may struggle to revisit their GP after reassurance, highlighting the need for increased awareness and timely investigation.
Dry eye disease is linked to an increased risk of migraine headaches, with symptoms including stinging, burning, or scratchy sensations. The study suggests a possible association between the two conditions, warranting further research into diagnostic and treatment options.
A new study published in Scientific Reports found that brain areas responsible for movement and sensation alter their functional communication after a limb amputation. Researchers discovered that sensitive and motor areas of the brain exhibited abnormal patterns of communication among hemispheres, even in patients without phantom pain.
A team of researchers at Duke University has determined the structure of the TRPM8 protein, which is responsible for sensing cold and menthol. The findings suggest that PIP2 and cooling agents like menthol cooperate to control structural changes in TRPM8, potentially leading to new treatments for chronic pain and migraine.
Researchers found that the brain stores detailed information of a missing hand in amputees, regardless of phantom limb sensations. The study could pave the way for next-generation neuroprosthetics and suggests daily life experience shapes fine-grained aspects of hand representation.
Researchers found that individuals with schizophrenia have reduced bodily sensation across all emotions and don't differentiate between emotions on their body maps. This affects their ability to identify, recognize, and verbalize emotions or understand others.
Researchers found that amputees who used sensory-enabled prostheses reported greater psychosocial well-being and confidence in using their hands for daily tasks. The study, led by Case Western Reserve University, demonstrates the significant positive impact of sensory feedback on improving amputees' quality of life.
Aging mice with fewer Merkel cells experience greater mechanically induced itch, suggesting a potential explanation for the loss of mechanical itch control under aging and chronic conditions. The study's findings contradict the intuitive notion that fewer sensory neurons would lead to weaker sensations.
A study found structural changes in the brain's sensory system, which processes sensations and movement, in people with restless legs syndrome. These changes may be related to symptoms such as uncomfortable sensations and an irresistible urge to move the legs.
Researchers at Caltech have successfully induced natural sensations in a paralyzed man by stimulating his somatosensory cortex with tiny arrays of electrodes. The study could enable people with prosthetic limbs to feel physical feedback from sensors.
A team of researchers has developed a method to restore natural movement sensation in patients with prosthetic arms, enhancing control and independence. The breakthrough uses small robots to vibrate muscles, allowing patients to feel their missing limbs move and manipulate their prostheses with improved fine motor control.
Researchers found that higher-level brain regions can compensate for persistent changes in sensory and movement areas following a hand transplant. The study suggests that non-invasive brain stimulation may improve recovery from nerve injury, paving the way for new approaches to neurorehabilitation for amputees and stroke patients.
Researchers aim to identify brain mechanisms related to psychosis by studying corollary discharge signals in individuals with schizophrenia and bipolar disorder. They will use an fMRI scanner to investigate the oculomotor system, which is thought to support a subjective sense of agency in these patients.
A University of Pittsburgh team is developing prosthetic devices that use sensory feedback to improve movement and balance in amputees. The researchers aim to reduce phantom limb pain, increase gait stability, and make prosthetic limbs feel more natural.
A study at Brown University reveals a previously unknown set of matching barrel structures in the cortex, providing insight into how sensory information is processed. The discovery suggests that layer six may play a greater role than previously realized in communicating with the thalamus.
A new study found that college students who dislike their classes are equally likely to cheat, regardless of whether instructors emphasize mastering content or good grades. The factor that best predicts cheating is a personality trait: high need for sensation.
A study by NC State University researchers reveals that brain natriuretic peptide (BNP), a neurotransmitter involved in itching sensations, plays no role in pain transmission. This finding could lead to the development of specific drugs or therapies to block pain signals closer to their source.
A new study from King's College London reveals the molecular basis of chronic nerve pain in diabetes, identifying HCN2 as a key player. The findings suggest that targeting this protein could lead to effective treatments for painful diabetic neuropathy, a condition affecting up to one in four people with diabetes.