Involuntary in Biological News

Abnormal brain circuits may prevent movement disorder

... have shown that muscles contract abnormally and patients can't stop the involuntary movements. The identification of a specific abnormality in people with the ... 30% of people who carry the mutated gene called DYT1 will develop the involuntary movements that can prevent them from living a normal life, according to ....

Risks and benefits of antipsychotics in children and adolescents

... short-term and longer-term treatment groups, respectively. Abnormal involuntary movements The incidence of extrapyramidal symptoms (EPS), abnormalities ... In a cross-sectional study by our group, the presence of abnormal involuntary movements was compared in 60 children and adolescents who had taken ...

Orangutan's spontaneous whistling opens new chapter in study of evolution of speech

... The behavior goes against the argument that orangutans have no control over their vocalizations and the sounds are purely emotional that is, an involuntary response to stimuli such as predators. Bonnie appears to whistle for the sake of making a sound rather than to receive a food reward or some other ...

Ben-Gurion University of the Negev researchers help find that hypnosis can induce synesthesia

... NEW YORK, Oct. 23, 2008 -- Hypnosis can induce "synesthetic" experiences where one sense triggers the involuntary use of another within an average brain, according to a new study in the journal Psychological Science, the premiere publication of the Association ...

Toxic chemicals found in common scented laundry products, air fresheners

... requires products of any kind to list chemicals used in fragrances. "Fragrance chemicals are of particular interest because of the potential for involuntary exposure, or second-hand scents," Steinemann said. "Be careful if you buy products with fragrance, because you really don't know what's in them," ...

1 person out of every 1,000 has synaesthesia, in which an individual can smell a sound

... most common one: the grapheme-colour type (for people with this form of synaesthesia, letters, words and numbers evoke colours in an automatic and involuntary way). One of the distinctive characteristics of this form of synaesthesia is the fact that people are certain about their perceptions: they feel ...

Increased sensitivity to nerve signals keeps diabetes at bay

... M3 receptors are normally on the receiving end of messages relayed by involuntary nerves that indicate the presence of food. In contrast, mice ... causing smooth muscles to contract. One of three branches of the involuntary nervous system, the parasympathetic, or "rest and digest" system fulfills ...

Study finds drug may cut down involuntary movements

... The medication tetrabenazine cut down involuntary movement in patients with Huntington's disease on average by about 25 ... in the United Kingdom found it to be effective to treat the excessive involuntary movements of Huntington's, and it is approved for use in several nations. ...

Common treatment for methamphetamine overdose may damage brain cells

... In addition to future studies of other antipsychotic medications, says Yamamoto, "we hope to examine if the loss of cells results in abnormal involuntary movements resembling Tourette's syndrome and Huntington's disease." ...

Trusting your instincts leads you to the right answer

... decision ?even when it is correct ?leaving us unaware or distrustful of our instincts and at an immediate disadvantage. Falling back on our inbuilt, involuntary subconscious processes for certain tasks is actually more effective than using our higher-level cognitive functions." The study shows an ...

Seals protect brain, conserve oxygen by turning off shivering response on icy dives

... and Blix, of the University of Tromsø and Jan-Marino Ramirez of the University of Chicago. Shivers produce warmth Shivering is an involuntary response that consists of muscle contractions which produce warmth. Mammals and birds are physiologically programmed to shiver when body temperature ...

'Shifty-eyed' Monkeys Offer Window Into Brain's Social Reflexes

... shifted in the direction of the monkey-image gaze, said Platt. An instant after the monkey images appeared, the subjects showed infinitesimal, involuntary eye movements in the same direction the monkey image was looking, found Deaner and Platt. Also importantly, said Platt, the shift in attention was ...