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Archive | Neuroscience

Neuroscience topics emphasize the human nervous system, particularly the central nervous system, biological and genetic factors in neuronal health, and brain imaging techniques, such as QEEG and fMRI. Many articles focus on how these factors impact human thought, emotion, and behavior.

graph showing neuronal activity

Awake Mental Replay Of Past Experiences Critical For Learning

Awake mental replay of past experiences is essential for making informed choices, suggests a study in rats. Without it, the animals’ memory-based decision-making faltered, say scientists funded by the National Institutes of Health. The researchers blocked learning from, and acting on, past experience by selectively suppressing replay — encoded as split-second bursts of neuronal activity […]

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Researcher David Dietz

Extended Cocaine Use Triggers Changes In Neuron Structure Of The Brain

Chronic exposure to cocaine reduces the expression of a protein known to regulate brain plasticity, according to new, in vivo research on the molecular basis of cocaine addiction. That reduction drives structural changes in the brain, which produce greater sensitivity to the rewarding effects of cocaine. The finding suggests a potential new target for development […]

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MRI brain scan with a senior citizen women

Schizophrenia Diagnosis (But Not Bipolar Diagnosis) Associated With Progressive Brain Changes Among Adolescents

Adolescents diagnosed with schizophrenia and other psychoses appear to show greater decreases in gray matter volume and increases in cerebrospinal fluid in the frontal lobe compared to healthy adolescents without a diagnosis of psychosis, according to a report in the January issue of Archives of General Psychiatry, one of the JAMA/Archives journals. The research was carried […]

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a marijuana cigarette

Brain Imaging Study Evaluates Effects Of Marijuana Ingredients On Brain Functioning

Different ingredients in marijuana appear to affect regions of the brain differently during brain processing functions involving responses to certain visual stimuli and tasks, according to a report in the January issue of Archives of General Psychiatry, one of the JAMA/Archives journals. Sagnik Bhattacharyya, M.B.B.S., M.D., Ph.D, at the Institute of Psychiatry, King’s College in […]

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MRI of the brain

Maltreated Children Show Same Pattern Of Brain Activity As Combat Soldiers

Children exposed to family violence show the same pattern of activity in their brains as soldiers exposed to combat, new research has shown. In the first functional MRI brain scan study to investigate the impact of physical abuse and domestic violence on children, scientists at UCL in collaboration with the Anna Freud Centre, found that […]

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