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Tag: "stimuli" at medical news

Brain Pathway for Depression Revealed

... action. The researchers can observe how different stimuli received by the animal, such as a dose of an antidepressant drug, affect circuit operation. The researchers used slices of rat brain, Deisseroth said, "like a computer repair technician would take out a circuit board" to test its functional propert...

Research Studies on Molecular Switches of Gene

...d cAMP, which acts as a messenger for a variety of stimuli including hormones and nerve-signaling molecules called neurotransmitters. The St. Jude team showed that each gene that responds to CREB chooses which co-factors, or helper molecules, CREB uses to activate that gene. This finding adds an important ...

Sexual Fantasies Play an Important Role in Boosting Desire

...men. Men respond more positively towards sexual stimuli and thoughts, and they accept them more easily. The male population has an attitude that, together with sexual fantasies, heightens sexual drive. Nevertheless, the research stresses that people sometimes may have a negative reaction to some types of ...

Trauma Exposure can Affect Brain Function Several Years After Event

...strated by measuring adults reactions to emotional stimuli several years after witnessing a trauma, said lead...er 11 - sensitized parts of the brain to emotional stimuli 41 and 48 months after the terrorist attacks. Eleven of the participants were within 1.5 miles of th...

Pre- and Post-menopausal Women Responses Equally to Most Sexual Desire Cues

...essment tool was used for empirically categorizing stimuli associated with sexual desire in women, called the Cues for Sexual Desire Scale (CSDS). It examines four distinct elements of desire cues: Love/Emotional Bonding Cues, Erotic/Explicit Cues, Visual/Proximity Cues and Implicit/Romantic Cues. Particip...

Detecting Cold, Feeling Pain: Study Reveals Why Menthol Fresh

...ism that mediates how the body experiences intense stimuli temperature, in this case that can cause pain. ...want to know, Julius says, how do you detect these stimuli to begin with? How do your sensory nerve endings do this to begin with? And what are the biochemical...

Implanting Electrodes in the Brain Could Help Treat Severe Depression

...on called the nucleus accumbens, which responds to stimuli from such things as food, sex, and some drugs. During their most recent study, the researchers surgically implanted the system into three individuals who experienced major depression and who had not responded to other treatments, including drugs of...

Neural Basis of Anxiety: Newer Insights

...nit now discovered that this response to ambiguous stimuli requires a specific receptor molecule for serotoni...nin receptor 1A have problems processing ambiguous stimuli and react to them with full-fledged fear responses. The cause is wrongly connected cells in their br...

Maninder Singh Hospitalised After Suicide Attempt

..., doctor attending to Singh. He is responding to stimuli and our questions but he is not fit for statement at present, Singh added. Though allegations have surfaced Singh had allegedly tried to commit suicide, his family members maintained it was an accident. Police said they received call at around 1...

Alcoholism Develops Cognitive Problems in Women

...y to match patterns in shape, remember location of stimuli and name colors when compared with contradictory information. And here it was the women drinkers who fared the worst. Alcohol dependence (AD) is more common among partners of alcoholicsThan among partners of non-alcoholics. A new examination of spo...

Alcoholics by All Means Should Avoid Stress During Early Abstinence

... tests with psychological and physical challenging stimuli – such as operative traumata, hyperthermia, cold-pressor and public-speaking stress – have shown a deficient HPA reactivity in abstinent alcoholics. However, none of these studies has established a time course of HPA failure during abstinence or has ...

Drugs for Parkinson’s May Be Useful for Stroke-related Disabilit

... the same results—a patient who was slow to report stimuli appearing on the left side of the video screen. Th...e the stimulus appeared. Slowness to respond to stimuli appearing on the left side of the video screen, she theorized, would mean the patient had spatial ne...

Brain’s "Default Mode" Awry in Schizophreni

...k is unknown, it is thought to involve response to stimuli as well as self-referential and reflective activity that includes memory retrieval, inner speech, mental images, emotions, and planning of future events. Schizophrenia is a psychotic disorder that alters patients’ perception, thought processes, and...

Light-activated Compound May Be of Help for Epileptics in Future

...y, the steroid keeps the cell quiet in the face of stimuli that would otherwise cause it to fire," Mennerick ...d with NBD-steroid, nerve cells still responded to stimuli as readily as they had prior to exposure. Just to see where the modified steroid was going, though, ...

Use Daylight-saving Change to Practice Healthy Sleep Habits

...he bathroom. * Start dimming the lights and other stimuli in the house well before bedtime. Source-Newswse SRM...

New Nerve Cells From Brain

...actory area, there is a better response to various stimuli through out a human’s life. According to Dr Mark Baxter from Oxford University, regeneration of brain cells would help in understanding the repair of brain cells which are damaged due to disease or accidents. JY...

Kids Who Snack in Large Groups Tend to Eat More

...ocial facilitation,” the phenomenon stems from the stimuli provided by the sight and sound of others engaged in the same behaviour. It overrides the brain’s normal signals of satiety. The researchers suggest that children who eat too little might fare better eating with the family and/or friends at home. A...

Researchers Investigate Molecular Basis of Memory

...hippocampal cells generate in response to familiar stimuli was abolished. "TrkB and the PLCg activated signaling pathway are central to both LTP and learning. For the first time we have been able to prove that LTP and learning do in fact have a common molecular basis," says Jose Delgado-Garc?a from the Un...

Patients With PTSD Experience Less Pain Sensitivity

...usal, re-experience of the event, and avoidance of stimuli related to the event, according to background information in the article. To the authors’ knowledge, no functional imaging study has explored whether patients with PTSD experience and process pain in a different way than control subjects. Elbert Ge...

War Trauma Scars Pose Risk of Heart Disease

... signs of severe anxiety, aversion to face similar stimuli again.The researchers pointed that when each symptom is stepped up in an individual, the risk of suffering from cardiac illness later is increased by 26%. The pattern of effects noted by the researchers suggest that individuals who have greater l...

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