The obvious cognitive symptoms of minor traumatic brain injury can dissipate within a few days, but blast-exposed veterans may continue to have problems focusing attention on one sound source and ignoring others, an ability known as "selective auditory attention.” According to a new study, such apparent "hearing" problems actually may be caused by diffuse injury to the brain's prefrontal lobe -- work that will be described at the 167th meeting of the ASA.
According to the New York Times, some researchers say that almost two million American kids could have a controversial attention disorder called "sluggish cognitive tempo." If this condition does become recognized as legitimate by the American Psychiatric Association, kids with the diagnosis would likely be prescribed medications for the disorder. The condition has surfaced in the scientific literature occasionally since the 1980s, but this is the first time it has received this much attention â€" the Journal of Abnormal Child Psychology made it the main focus of their January issue, with 136 pages dedicated to the topic. Some say that these growing numbers aren't an increase in the number of kids with ADHD, but instead reflect a parental desire for good grades and behavior, along with aggressive marketing by drug companies. What Doctors Can Tell About Your Health Just By Looking At Your EyesHere's How Fast Food And Exercise Habits Vary Around AmericaHere's How Eating Habits Vary Around AmericaThese Beautiful Charts Show The Emerging Technologies That Will Change The World11 Reasons Why Mosquitoes Are The WorstSEE ALSO:Â
According to George Bernard Shaw, "Imitation is not just the sincerest form of flattery - it's the sincerest form of learning." According to psychologists, imitation is something that we all do whenever we learn a new skill, whether it is dancing or how to behave in specific social situations.
Deep brain stimulation (DBS) is an established, in selected cases therapeutically effective, non-lesional treatment method delivering current rectangular pulses into dysfunctional brain structures via chronically implanted stimulation electrodes. DBS is a recognized method applied in movement disorders and is increasingly evaluated as a possible therapeutic option for psychiatric diseases such as refractory obsessive-compulsive disorders, Gilles de la Tourette syndrome, major depression and substance-related addiction. Latest research indicates that DBS may be a method for improving cognitive functions in Alzheimer’s dementia (AD). Translational data in healthy and AD animals appear to support this notion. Nevertheless, many aspects remain unclear, particularly with regard to the optimal target structure. The objective of this review is to present a systematic overview regarding published research on DBS and cognitive functioning in animal and human studies as well as to provide a systematic overview of the feasibility and efficacy of the treatment. We describe three studies investigating the effects of DBS in patients with dementia, using either the fornix or the nucleus basalis of Meynert as a target. In total, we identified 25 animal studies with 10 brain structures being targeted: fornix, nucleus basalis of Meynert, anterior caudate nucleus, dorsal striatum, anterior thalamic nucleus, midline thalamic nuclei, central thalamic nuclei, lateral hypothalamus, hippocampus (entorhinal cortex, perforant path) and amygdala. Considering the wide and diverse spectrum of targets, we add to this review a supposition about possible underlying mechanisms of operation and recommendations for further research.
Brian imaging experiments have revealed for the first time how ecstasy produces feelings of euphoria in users. The findings hint at ways that ecstasy, or MDMA, might be useful in the treatment of anxiety and post-traumatic stress disorder.
As the world’s population continues to age the problem of dementia increases. These brain diseases see people slowly lose the ability to think, remember, and inevitably they become unable to look after themselves. [...]
Pela primeira vez foi possível travar a doença de Alzheimer. Um grupo de investigadores canadianos recorreu a uma técnica de estimulação cerebral profunda, enviando impulsos elétricos para o cérebro dos pacientes.
Vancouver, BC (PRWEB) April 28, 2014 -- http://fivestarseniorservices.com [Five Star Senior Services] announced today that it will offer a complimentary, http://www.gerijoy.com/fivestar.html [24/7 companionship and oversight] service for older adults with Alzheimer's and dementia. The Canadian home care agency is able to offer such a valuable service at no additional cost to its clients thanks to the latest virtual companion technology from GeriJoy, an http://gerijoy.com [MIT startup].
A study, carried out on mice, has just confirmed the neurobiological origin of attention-deficit disorder (ADD), a syndrome whose causes are poorly understood. Researchers from CNRS, the University of Strasbourg and INSERM1 have identified a cerebral structure, the superior colliculus, where hyperstimulation causes behavior modifications similar to those of some patients who suffer from ADD.
Brain mapping confirms patients with schizophrenia have impaired ability to imitate. A brain-mapping study of patients with schizophrenia has found that areas associated with the ability to imitate are impaired, providing new support for the theory that deficits in this basic cognitive skill may underlie the profound difficulty with social interactions that characterize the disorder.
Hogewey, located in the Netherlands, is the only care facility of it's kind in the world and is home to over 150 people with severe dementia. Started by 2 nurses who feared having to put their own parents in a traditional nursing home, 'Dementia Village' is a place where residents live a seemingly
Research by a team of investigators suggests that the free recall memory deficits common even in early stages Parkinson’s disease are related to structural changes in the brain, specifically parietal cortical gray matter volume.
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