News tagged with impulsiveness


Predicting repeat offenders with brain scans: You be the judge

(Medical Xpress)—Despite the well known inaccuracies of polygraph lie detectors, they remain in widespread, if selective, use by the criminal justice system. While they are far from truth machines, if the ...

Neuroscience created Mar 26, 2013 | popularity 5 / 5 (1) | comments 6 | with audio podcast report

Study indicates reverse impulses clear useless information, prime brain for learning

(Medical Xpress)—When the mind is at rest, the electrical signals by which brain cells communicate appear to travel in reverse, wiping out unimportant information in the process, but sensitizing the cells ...

Neuroscience created Mar 19, 2013 | popularity 4.9 / 5 (9) | comments 2 | with audio podcast

Using human brain cells to make mice smarter

Glial cells – a family of cells found in the human central nervous system and, until recently, considered mere "housekeepers" – now appear to be essential to the unique complexity of the human brain. Scientists reached ...

Medical research created Mar 07, 2013 | popularity 3.7 / 5 (3) | comments 2 | with audio podcast

Scientists find genes linked to human neurological disorders in sea lamprey genome

Scientists at the Marine Biological Laboratory (MBL) have identified several genes linked to human neurological disorders, including Alzheimer's disease, Parkinson's disease and spinal cord injury, in the ...

Genetics created Feb 24, 2013 | popularity 5 / 5 (1) | comments 0 | with audio podcast

Fragile X makes brain cells talk too much, research shows

The most common inherited form of mental retardation and autism, fragile X syndrome, turns some brain cells into chatterboxes, scientists at Washington University School of Medicine in St. Louis report.

Neuroscience created Feb 20, 2013 | popularity 4.8 / 5 (4) | comments 1 | with audio podcast

Scientists learn more about how inhibitory brain cells get excited

Scientists have found an early step in how the brain's inhibitory cells get excited.

Neuroscience created Jan 30, 2013 | popularity 5 / 5 (2) | comments 0 | with audio podcast

Ordinary heart cells become 'biological pacemakers' with injection of a single gene

Cedars-Sinai Heart Institute researchers have reprogrammed ordinary heart cells to become exact replicas of highly specialized pacemaker cells by injecting a single gene (Tbx18)–a major step forward in the decade-long search ...

Medical research created Dec 16, 2012 | popularity 5 / 5 (5) | comments 1 | with audio podcast

A better brain implant: Slim electrode cozies up to single neurons

(Medical Xpress)—A thin, flexible electrode developed at the University of Michigan is 10 times smaller than the nearest competition and could make long-term measurements of neural activity practical at ...

Neuroscience created Nov 11, 2012 | popularity 4.8 / 5 (6) | comments 0 | with audio podcast

Structure of a bond formed by two proteins critical for hearing and balance described for the first time

Researchers have mapped the precise 3-D atomic structure of a thin protein filament critical for cells in the inner ear and calculated the force necessary to pull it apart.

Medical research created Nov 07, 2012 | popularity 5 / 5 (1) | comments 0 | with audio podcast

Intermittent binge drinking could cause significant brain impairment within months, research shows

A study of binge-drinking rodents suggests that knocking back a few drinks every few days may swiftly reduce one's capacity to control alcohol intake. Scientists at The Scripps Research Institute (TSRI) found signs of cognitive ...

Addiction created Oct 15, 2012 | popularity 3 / 5 (2) | comments 0 | with audio podcast

Neurons derived from cord blood cells may represent new therapeutic option

For more than 20 years, doctors have been using cells from blood that remains in the placenta and umbilical cord after childbirth to treat a variety of illnesses, from cancer and immune disorders to blood ...

Medical research created Jul 16, 2012 | popularity 5 / 5 (5) | comments 0 | with audio podcast

Scientists produce eye structures from human blood-derived stem cells

(Medical Xpress) -- For the first time, scientists at the University of Wisconsin-Madison have made early retina structures containing proliferating neuroretinal progenitor cells using induced pluripotent ...

Ophthalmology created Mar 14, 2012 | popularity 5 / 5 (4) | comments 0 | with audio podcast

Brains of addicts are inherently abnormal: study (Update)

(Medical Xpress) -- Researchers funded by the Medical Research Council (MRC) at the University of Cambridge have identified a brain abnormality which is found in drug-dependent individuals as well as their ...

Neuroscience created Feb 02, 2012 | popularity 4.8 / 5 (8) | comments 2 | with audio podcast

Scientists map the frontiers of vision

There's a 3-D world in our brains. It's a landscape that mimics the outside world, where the objects we see exist as collections of neural circuits and electrical impulses.

Neuroscience created Jan 06, 2012 | popularity 4.6 / 5 (7) | comments 0 | with audio podcast

Hold that thought? Scientists find sensor that may explain working memory

(Medical Xpress) -- In many cases, a delay occurs between the time you are presented information and the time you respond with an action or decision. Most of us call it a thought, while some scientists call it working memory.

Neuroscience created Dec 21, 2011 | popularity 4.7 / 5 (7) | comments 1 | with audio podcast