Changing stroke rehab and research worldwide now.Time is Brain! trillions and trillions of neurons that DIE each day because there are NO effective hyperacute therapies besides tPA(only 12% effective). I have 523 posts on hyperacute therapy, enough for researchers to spend decades proving them out. These are my personal ideas and blog on stroke rehabilitation and stroke research. Do not attempt any of these without checking with your medical provider. Unless you join me in agitating, when you need these therapies they won't be there.

What this blog is for:

My blog is not to help survivors recover, it is to have the 10 million yearly stroke survivors light fires underneath their doctors, stroke hospitals and stroke researchers to get stroke solved. 100% recovery. The stroke medical world is completely failing at that goal, they don't even have it as a goal. Shortly after getting out of the hospital and getting NO information on the process or protocols of stroke rehabilitation and recovery I started searching on the internet and found that no other survivor received useful information. This is an attempt to cover all stroke rehabilitation information that should be readily available to survivors so they can talk with informed knowledge to their medical staff. It lays out what needs to be done to get stroke survivors closer to 100% recovery. It's quite disgusting that this information is not available from every stroke association and doctors group.

Sunday, November 20, 2016

How Do the Brains of People Who Don’t Like Music Work?

Is this subset of people not helped by music therapy? What is your doctor doing to identify them and offer different stroke protocols to cover the good rehabilitation effects of music. Or is your doctor such a dinosaur that music therapy hasn't been discovered yet?
http://neurosciencenews.com/music-sensitivity-neuroscience-5543/

Summary: Researchers explain the neural mechanisms behind a person’s lack of sensitivity to music.
Source: IDIBELL-UB.
A new study explains brain mechanisms associated to the lack of sensitivity to music.
Researchers from the Cognition and Cerebral Plasticity group of the Bellvitge Biomedical Research Institute and the University of Barcelona (IDIBELL-UB), in collaboration with researchers from the University of McGill (Montreal), have published a new study in which brain mechanisms associated to the lack of sensitivity to music are explained. The study, published by PNAS journal, gives clues about the importance of music at an evolutionary level based on the connection between the auditory and emotional areas of the brain.
Although listening to music is considered a rewarding activity on a universal scale, about 3-5% of the healthy population does not experience pleasurable feelings in response to any type of music. This condition is known by the specific name of musical anhedonia. “Anhedonic people do not have problems correctly perceiving and processing the information contained in a melody (such as intervals or rhythms) and present a normal pleasure response to other pleasant stimuli (such as money), but do not enjoy musical stimuli”, explains Noelia Martínez-Molina, researcher at the IDIBELL-UB group and lead author of the study. Although the existence of this phenomenon has been known for some years, it was not known why or how it was produced.
In their work, researchers analyzed 45 healthy volunteers using functional magnetic resonance imaging (fMRI). Participants were divided into three groups according to the score obtained in a questionnaire developed by the same research group, the Barcelona Music Reward Questionnaire (BMRQ). During the fMRI session, participants had to listen to snippets of classic genre songs and provide pleasure values on a scale from 1 to 4 in real time. To control the brain response to other types of rewards, participants also had to play a monetary wagering task in which they could win or lose real money.
The results showed that the decrease of pleasant response to music shown by participants with musical anhedonia is related to a reduction in the activity of the nucleus accumbens, a key subcortical structure of the reward system. However, the activity of this structure is maintained when other reinforcers, such the money gained in the task of betting, are in place.
Image shows a diagram which includes images of the brain with the NAcc and auditory cortex highlighted.
Neural correlates of specific musical anhedonia.
NeuroscienceNews.com image is credited to IDIBELL.
“It is interesting to consider the evolutionary importance of the connection between the auditory areas, cortical, and the more primitive system of emotional evaluation, subcortical”, says the researcher. This connection is very clear in hedonic musical people – those who enjoy music – but diminishes in anhedonics. “The link between areas ensures that music is experienced as very rewarding, while stressing its importance at an evolutionary level, even when it does not seem obvious what the biological gain of this cultural production is.”
About this music and neuroscience research article
Source: Gemma Fornons – IDIBELL-UB
Image Source: NeuroscienceNews.com image is credited to IDIBELL.
Original Research: Abstract for “Neural correlates of specific musical anhedonia” by Noelia Martínez-Molina, Ernest Mas-Herrero, Antoni Rodríguez-Fornells, Robert J. Zatorre, and Josep Marco-Pallarés in PNAS. Published online October 31 2016 doi:10.1073/pnas.1611211113

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