Articles tagged with Sensory Perception
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Researchers aim to restore walking ability and sensation in individuals with spinal cord injuries using an implantable brain-computer interface. The technology has potential applications beyond spinal cord injuries, including stroke and traumatic brain injury recovery.
A new UCL study finds that brief mindfulness training can help heavy drinkers cut back on alcohol consumption by 9.3 fewer units in a week. Mindfulness practising teaches heightened awareness of feelings and bodily sensations, allowing participants to tolerate cravings without acting on them.
Researchers have discovered a critical neural pathway that transmits itch signals from the spinal cord to the brain, with the parabrachial nucleus identified as a first relay. The study provides new insights into the mechanisms underlying itch signal processing and offers potential targets for therapeutic treatment of chronic itching.
A study reveals that individuals with Complex Regional Pain Syndrome (CRPS) process visual information from the affected side of their body more slowly than the unaffected side. This suggests a possible change in brain mechanisms that normally allow us to process information at different locations.
A new study found that individuals who feel like impostors in their jobs are less likely to fulfill their full potential, undervaluing their talent and affecting their careers. However, this phenomenon can also encourage people to offer their best performance, highlighting the complex relationship between self-doubt and success.
Researchers found that rats only enjoy ticklishness when they are in a good mood, similar to humans. The study also suggests that the somatosensory cortex may play a role in regulating mood.
Disney Research has developed a VR360 player with enhanced haptic feedback, allowing users to customize and personalize sensations. The application enables full-body sensations and a wide range of 'feel effects' that can be triggered by user movements or biofeedback.
Research by the University of Plymouth found that adolescents are more likely to take online risks, despite being framed as either potential winners or losers. The study suggests that this is due to their limited ability to draw upon qualitative 'gist' representations, rather than quantitive calculations.
A new study by University of Illinois expert Ravi Mehta found that the color red can elicit noncompliant behavior, also known as a rebellious streak, in individuals who are high on the sensation-seeking scale. This effect is due to the arousal caused by exposure to the color red, which leads to reactance and increases noncompliance.
A new study found that people with high sensation-seeking personalities are more likely to engage in prank behavior when encountering the color red. This contradicts previous research suggesting that red leads to compliant behavior. The findings have implications for health campaigns, such as anti-smoking and safe sex initiatives.
A Finnish study found that arthroscopic knee surgery does not alleviate sensations of knee catching or locking associated with degenerative knees. Physical therapy and sham surgery showed similar effectiveness in reducing symptoms.
Researchers found that psychological interventions targeting sensation seeking and reward sensitivity can delay first-time cannabis use in teens. The study suggests these interventions may help reduce cannabis use, particularly among youth who perceive it as low risk.
Transcranial direct current stimulation (tDCS) has been shown to reduce histamine-induced itching and shorten its duration in a new study. The results of this study are expected to contribute to the development of novel methods to inhibit itching.
Researchers discovered two distinct types of nervous systems in the respiratory circuit, one for upper airway sensations and another for lower lung region emotions. This breakthrough may lead to new treatments for cough hypersensitivity and related respiratory diseases.
Researchers at University College London used the thermal grill illusion to study pain perception. They found that crossing fingers can change what you feel on a single finger by manipulating the spatial arrangement of nerve pathways.
A new brain imaging study has identified a specific brain area, the dorsal posterior insula, directly related to pain intensity. This discovery could help detect pain in people with limited communication abilities.
Researchers at Hiroshima University developed a prototype called Sensorimotor Enhancing Suit (SEnS) to support human motion. SEnS reduces muscle load on the upper limbs, improving sensorimotor functions and enhancing the quality of life for both elderly individuals and healthy people working under extreme conditions.
The study reveals that more active neurons respond to a broader receptive field and play a crucial role in our sensory perception. The researchers used optogenetic stimulation to activate specific thalamic nuclei, finding that the posteromedial nucleus (POm) elicits a stronger response.
Researchers at Lund University have identified a mechanism that creates cold-induced pain, linking it to the same receptor that reacts to pungent substances in mustard and garlic. This discovery could help those with cold allodynia, a common problem among patients with chronic pain or nervous system diseases.
A University of Iowa study found that sleep twitches activate the brains of mammals differently than movements made while awake. Twitches during rapid eye movement (REM) sleep comprise a different class of movement and provide evidence that sleep twitches teach newborns about their limbs.
Researchers at Duke University discovered an antibody that simultaneously blocks the sensations of pain and itching by targeting Nav1.7 sodium channels. The study showed promising results in mouse models, suggesting a new treatment option for pain and itch conditions.
A team of Brown University researchers have developed a methodology to integrate mindfulness experiences with brain imaging, allowing for the formation of testable hypotheses about the science and mental health benefits of meditation. By employing structured coding of self-reported personal experience, they can correlate mental states ...
Women with PVD (vulvar vestibulitis) who regulate their emotions in a satisfactory manner are more fulfilled sexually and relationally. Effective emotional communication can improve pain management and overall quality of life for couples.
A team of researchers at the University of Pennsylvania has made a groundbreaking discovery about how climbing fibers provide feedback to Purkinje cells, allowing them to detect legitimate error signals amidst random firing. This knowledge will be fundamental to future studies of fine motor control and learning.
Researchers found that reading a novel can cause changes in the brain's resting-state connectivity that persist for days after reading. The study, published in Brain Connectivity, used fMRI to examine the neural effects of reading a narrative.
Researchers at Aalto University have discovered that emotional states trigger distinct bodily sensations, with consistent patterns across West European and East Asian cultures. The study found that awareness of these bodily changes can lead to conscious emotional sensations like happiness, highlighting the biological basis of emotions.
Researchers used neuroelectrophysiology to prove the objective existence of propagated sensation along the meridian. By stimulating specific acupoints, they observed a high potential reaction in corresponding brain areas, indicating the meridian's presence.
Researchers at WashU Medicine found that chronic itching incorporates more neurons than normal itch signals and co-opts pain neurons to intensify the sensation. This discovery may lead to more effective treatments targeting activity in both pain and itch neurons.
A Princeton University study finds that recalling personal unethical acts imbues feelings of guilt that are embodied as increased sensations of weight. This phenomenon is grounded in embodied cognition and has implications for understanding how humans perceive guilt.
Researchers found differences in brain structure between ballet dancers and rowers that enable dancers to suppress signals from the balance organs, allowing them to perform pirouettes without feeling dizzy. This adaptation may help improve treatment for patients with chronic dizziness.
Researchers at Karolinska Institutet have developed a method to induce the sensation of having a phantom hand in non-amputated individuals. Participants experienced an invisible hand when touched, revealing that multisensory integration can lead to embodiment of empty space.
Researchers at California Institute of Technology have identified a specific class of skin sensory neurons that react to massage-like stroking, paving the way for further study of pleasurable sensations. The discovery uses genetically modified mice and novel recording techniques to pinpoint individual neurons activated by touch.
Scientists at the University of Edinburgh have proved a 60-year-old theory about how nerve signals are sent around the body at varying speeds. The study found that longer distances between gaps in myelin lead to faster signal transmission, providing insight into nerve damage and development.
A study found that exposure to sexual content in movies predicts earlier sexual debut and increased risk-taking behavior in adolescents. Researchers discovered that greater exposure to sexual content led to a higher peak in sensation-seeking during adolescence, which can last into young adulthood.
A new study reveals that handlebars at a lower position increase pressure on the genital region, reducing sensation in female cyclists. Proper bicycle setup can help prevent genital nerve damage and maintain sexual health.
Researchers at University of Sheffield have developed a method to assist damaged nerves in repairing naturally, improving chances of restoring sensation and movement in injured limbs. The new technique uses biodegradable synthetic polymer to create guidance conduits that provide physical and chemical cues for nerve growth.
Two Scripps Research scientists, Michael Petrascheck and Brian Paegel, have won the NIH Director's New Innovator Award. Petrascheck will conduct research on aging in C. elegans using $1.5 million in funding, while Paegel will evolve new molecular tools for protein sequencing.
A new study reveals that stimulation of female genital regions activates distinct sites in the sensory cortex, contradicting claims of clitoral superiority. Researchers mapped responses to clitoral, vaginal, cervical, and nipple self-stimulation using fMRI, demonstrating significant activation in specific brain areas.
A USC researcher found that the human brain can simulate physical sensations in response to emotional stories, leading to increased moral behavior and motivation to help others. This phenomenon is detected using brain scans and may be an evolutionary mechanism for promoting social behavior.
A Queensland University of Technology study found that 32.9% of women reported experiencing symptoms of postcoital dysphoria, with limited correlation to sexual abuse and psychological distress
Researchers are conducting a pilot study to test image-guided neurothermal ablation, a new procedure using local radiofrequency energy to treat premature ejaculation. The treatment aims to provide an outpatient option for symptom control with limited side effects.
A study found a group of genetic mutations that predict sensation seeking behavior, linking it to dopamine levels. The research used a new technique to analyze genes in the dopamine system, identifying 12 potentially important SNPs that explained about 4% of the difference between individuals' sensation-seeking scores.
New research from the University of Southern California found that sparkling drinks activate pain sensors in the nasal cavity, similar to mustard and horseradish. The study discovered a specific type of cell responsible for this sensation, known as TRPA1.
A new study published in Cortex reports that over half of patients recovering from stroke experience phantom limb sensations. Researchers found 27 patients with daily phantom limb experiences, some even able to control their phantom limb. The phenomenon may be underreported due to fear of being labeled 'crazy'.
Researchers propose a testable model of human tinnitus suggesting that the brain's limbic system, which normally blocks sound sensations sent from non-real sources, is compromised in people with tinnitus. This could lead to new therapeutic approaches by restoring the feedback loop and eliminating phantom sounds.
Researchers found that standing on carpet evokes a sense of physical comfort, leading to unconscious judgments about products viewed nearby. Conversely, hard tile flooring makes products appear less comfortable when close by.
A new study found that watching R-rated movies increases the probability of adolescents trying alcohol, with high sensation seekers already at risk. Parents are advised to take movie ratings seriously and restrict access to R-rated films for children under 17.
Researchers discovered that mentally simulating physical approach towards an unpleasant product can lead to a more favorable evaluation. This finding challenges the conventional notion of approaching pleasure and avoiding pain as fundamental human behaviors.
A study by University of Chicago Press Journals found that consumers feel more comfortable standing on carpeted flooring, but their judgment of products is influenced by the distance between them and the floor. When viewed from a moderate distance, the comfort factor plays a significant role in product judgments.
A new study shows that a single hour of mindfulness meditation training can significantly reduce pain awareness and sensitivity. The research found that meditation subjects experienced less pain while meditating and after the activity was concluded, compared to control groups.
Researchers found two independent pathways contributing to feeling one's own heartbeat, contrary to prior assertions. The study used a rare neurological patient and healthy comparison participants to confirm the existence of these pathways, which could have implications for emotion and self-awareness.
In a breakthrough study, researchers identified itch-specific neurons in mice that can be targeted to alleviate chronic itching. The discovery suggests that itch and pain signals are transmitted through different pathways in the spinal cord, offering new hope for treatments.
A new device, CPSM, measures continuous real-time pain scores, providing detailed information on patients' pain perception and improving pain management. The study used thirty-two healthy volunteers to test the CPSM's reliability.
Researchers found that high sensation seekers show increased activity in the insula, a region associated with addictive behaviors, while low sensation seekers exhibit increased activity in the frontal cortex area important for emotional regulation. This study may indicate how sensation seeking contributes to negative behaviors such as ...
New research reveals that alkaline pH activates TRPA1 protein in human cell lines and mouse nerve cells, leading to pain sensation. The study suggests that activation of this protein might be the mechanism underlying some human alkaline pH-related pain sensations.
Researchers found that adding a visual or auditory signal can increase the perception of an electrical stimulus, even if it's not initially detected. Multisensory integration plays a crucial role in this process, modifying peripheral systems to enhance our understanding of the world.
Researchers identified three primary themes of fatigue in cancer patients undergoing standard radiation therapy: loss of strength, major effects on energy levels, and physical sensations. The study aims to develop a single definition of cancer-related fatigue, enabling healthcare professionals to intervene more effectively with patients.
Researchers have visualized cold-sensing fibers led by the gatekeeper protein TRPM8, revealing a single pathway for detecting various types of cold. The study provides evidence that TRPM8 is involved in several cold-sensing mechanisms, including pain and sensation.
A combination of capsaicin and QX-314 selectively block pain-sensing neurons in rats, blocking pain without impairing movement or other sensations. The treatment has great potential to improve pain treatment during childbirth, dental procedures, and surgery, offering a promising alternative to current nerve blocks.
Researchers discovered the GRPR gene, which codes for a receptor involved in transmitting itch signals from the skin to the brain. Laboratory mice lacking this gene scratched less when exposed to itchy stimuli, suggesting a potential target for anti-itch medication.