Nicotine's primary metabolite supports learning and memory by amplifying the action of a primary chemical messenger involved in both, researchers report.
Feb 18, 2015
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The tics seen in Tourette syndrome may be caused by the loss of specific neurons in the brain, a Yale University study has demonstrated.
Jan 6, 2015
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New research from Western University (London, Canada) is leading to a better understanding of what happens during heart failure; knowledge that could lead to better therapeutics or a more accurate predictor of risk. The research ...
Sep 24, 2013
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To make decisions, we need to estimate the value of sensory stimuli and motor actions, their "goodness" and "badness." We can imagine that good and bad are two ends of a single continuum, or dimension, of value. This would ...
Aug 1, 2013
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The ability to maintain mental representations of ourselves and the world—the fundamental building block of human cognition—arises from the firing of highly evolved neuronal circuits, a process that is weakened in schizophrenia. ...
Jul 1, 2013
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Antipsychotic administration in the elderly is associated with an increased risk for cerebrovascular accident, more commonly known as stroke; a new study published in Biological Psychiatry provides additional insight into ...
Mar 11, 2013
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Symptoms of depression and anxiety can be induced in mice by increasing levels of acetylcholine, suggesting that depression may have different biochemical roots than previously believed, Yale School of Medicine researchers ...
Feb 12, 2013
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New research led by scientists from Imperial College London explains why around half of people with asthma experience a 'late phase' of symptoms several hours after exposure to allergens. The findings, published in the journal ...
Aug 13, 2011
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(Medical Xpress) -- The prefrontal cortex of the brain is involved in memory processes and the ability to concentrate attentively. Neuroscientists from VU University Amsterdam have shown how and where this occurs in the prefrontal ...
Aug 11, 2011
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(Medical Xpress) -- New findings in mice suggest that the timing when the neurotransmitter acetylcholine is released in the brain’s hippocampus may play a key role in regulating the strength of nerve cell connections, ...
Jul 14, 2011
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