Articles tagged with Sensory Perception
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The discovery of the TRPM8 gene, led by Scripps Research Institute's Ardem Patapoutian, reveals that this single gene is responsible for most cool temperature sensations. The study shows that activation of TRPM8 triggers cold sensation and may lead to new treatments to ease pain.
Researchers at Yale University found that competitive female cyclists have reduced genital sensitivity. No negative effects were observed on sexual function or quality of life in the study's young, healthy participants.
Researchers at the University of Leeds have developed a new framework to study chronic deja vu, a condition where people experience a strong sense of familiarity for new experiences. The Cognitive Feelings Framework (CFF) uses subjective reports and neuro-imaging to better understand everyday sensations like deja vu.
Researchers used functional magnetic resonance imaging to study volunteers' brains, finding high levels of activity in the posterior parietal cortex. Participants felt their waist shrink by up to 28% after a vibrating device stimulated their wrist tendon, suggesting the brain creates a map of body size through integrating signals from ...
A new study published in PLoS Biology used the Pinocchio illusion to scan people's brains while experiencing a shrinking waist sensation. The researchers found high activity in the posterior parietal cortex, which integrates sensory information from different body parts, leading to distorted body image perception.
Researchers discovered that using mirrors to create a mirror reflection of a normal limb can help correct a faulty image of the body in people with complex regional pain syndrome. This imbalance can cause pain when moving a particular hand, foot or limb. By practicing these exercises beforehand, even greater improvements can be achieved.
Researchers investigated the role of genital neurological integrity and found that almost half of women with female sexual dysfunction (FSD) reported symptoms. Decreased sensation in the clitoris was particularly prevalent among those with multiple forms of FSD.
A recent study found that bladder capacity remains relatively stable throughout adulthood, contradicting the common assumption that it shrinks with age. Overactive bladder, also known as detrusor overactivity, is a common condition affecting millions of Americans, and treatment is available.
A recent study published in The Journal of Pain found that women are more sensitive to pain than men, while African-Americans and Whites report similar levels of pain when using standardized rating scales. Researchers tested 135 participants aged 25-45 and used modified rating scales to account for cultural differences.
A study led by Prof. Ehud Ahissar found that two types of neurons respond to whisking motion and surface contact, respectively, indicating a dynamic dance of perception where hands, eyes, and whiskers actively seek out sensation. This research has implications for optimizing artificial sensory aids for the deaf and blind.
A new study suggests that children's brains are wired to downplay the sensation of their own physical actions, leading to increased force being used in play. This mechanism may also explain why kids can't tickle themselves, but feel the full effect when someone else does.
A study of 104 eyes found that superior-hinged LASIK flaps resulted in reduced corneal sensation and increased dry eye symptoms. The American Academy of Ophthalmology recommends using nasal-hinged flaps to minimize the risk of dry eye complications.
Women's stroke symptoms differ from men's, often non-traditional and less specific. The study found that women were more likely to report non-traditional symptoms like pain and changes in consciousness.
A study by Seth C. Kalichman found that HIV-positive men who were sensation seekers were more likely to have unprotected sex, regardless of alcohol use. Alcohol also predicted unsafe sex, independent of sensation seeking. The study suggests cognitive approaches can help improve risk reduction interventions for HIV-positive men.
A new five-dimension scale assesses consumers' perceptions of Internet retail service quality, highlighting factors such as performance, information, security, sensation, and access. The scale helps online retailers identify areas for improvement to increase customer satisfaction and drive sales.
Researchers found that hypocretin neurons from the hypothalamus establish direct connections with spinal cord nerve cells involved in pain perception. This discovery may lead to new treatments for pain, particularly in spinal cord injuries.
A brain protein linked to narcolepsy helps regulate bodily sensations and modulate sensory input from the body. Hypocretin-2 was found to inhibit activity of neurons associated with pain and temperature sensation, suggesting a potential mechanism connecting wakefulness and sensory modulation.
A unique experiment studying chemical activity in human brains while experiencing sustained pain revealed long-suspected connections between pain-dampening changes in brain chemistry and sensory/emotional responses. The findings may help researchers better understand prolonged pain and find more effective ways to relieve it.
Researchers found that TV PSAs targeting teens with high sensation-seeking traits reduced their marijuana use by at least 26.7%. The campaigns also reversed the trend of more teens using marijuana as they get older.
A new study found that individuals with a sensation-seeking personality are more sensitive to nicotine's mood-altering effects, particularly at lower doses. This increased sensitivity may be a key factor in their risk of becoming smokers.
Researchers found that individuals with high anxiety sensitivity exhibit increased fear of anxiety and experience reduced anxiety symptoms when drinking. This study suggests that high AS individuals may drink excessively to cope with anxiety, leading to a higher risk of alcohol abuse.
Researchers at the University of Florida have found that fibromyalgia is caused by a neurological abnormality, where the body overreacts to repetitive stimulation. This discovery aims to improve diagnostic tests and treatments for the chronic illness, affecting an estimated 3.7 million Americans.
Researchers found that carbonic acid, a chemical irritant, causes the tingling sensation when drinking champagne. Volunteers were asked to rate the sensation after sticking their tongues into carbonated water for up to 15 seconds.