Use the labels in the right column to find what you want. Or you can go thru them one by one, there are only 15768 posts. Searching is done in the search box in upper left corner. I blog on anything to do with stroke.DO NOT DO ANYTHING SUGGESTED HERE AS I AM NOT MEDICALLY TRAINED, YOUR DOCTOR IS, LISTEN TO THEM. BUT I BET THEY DON'T KNOW HOW TO GET YOU 100% RECOVERED. I DON'T EITHER, BUT HAVE PLENTY OF QUESTIONS FOR YOUR DOCTOR TO ANSWER.
Deans' stroke musings
Changing stroke rehab and research worldwide now.Time is Brain!Just think of all thetrillions and trillions of neuronsthateach daybecause there areeffective hyperacute therapies besides tPA(only 12% effective). I have 493 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:
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's quite disgusting that this information is not available from every stroke association and doctors group. My back ground story is here:http://oc1dean.blogspot.com/2010/11/my-background-story_8.html
Friday, July 14, 2017
Sensorimotor Learning: Neurocognitive Mechanisms and Individual Differences
Here we provide an overview of
findings and viewpoints on the mechanisms of sensorimotor learning
presented at the 2016 Biomechanics and Neural Control of Movement
(BANCOM) conference in Deer Creek, OH. This field has shown substantial
growth in the past couple of decades. For example it is now well
accepted that neural systems outside of primary motor pathways play a
role in learning. Frontoparietal and anterior cingulate networks
contribute to sensorimotor adaptation, reflecting strategic aspects of
exploration and learning. Longer term training results in functional and
morphological changes in primary motor and somatosensory cortices.
Interestingly, re-engagement of strategic processes once a skill has
become well learned may disrupt performance.
Efforts to predict individual
differences in learning rate have enhanced our understanding of the
neural, behavioral, and genetic factors underlying skilled human
performance. Access to genomic analyses has dramatically increased over
the past several years. This has enhanced our understanding of cellular
processes underlying the expression of human behavior, including
involvement of various neurotransmitters, receptors, and enzymes.
Surprisingly our field has been slow to adopt such approaches in
studying neural control, although this work does require much larger
sample sizes than are typically used to investigate skill learning. We
advocate that individual differences approaches can lead to new insights
into human sensorimotor performance. Moreover, a greater understanding
of the factors underlying the wide range of performance capabilities
seen across individuals can promote personalized medicine and refinement
of rehabilitation strategies, which stand to be more effective than
“one size fits all” treatments.
Motor learningAdaptationBANCOMSNPGenetic predictorsGenotype
paper provides a high level overview of the 2016 Biomechanics and
Neural Control of Movement conference session on sensorimotor adaptation
and learning. In the past few decades there have been substantial
changes in perspectives of motor learning; predictive and optimal
control theories have been put forth to explain how performance can be
updated despite physiological limitations such as feedback delays and
impedance. This forward modeling approach has been described by Miall
and Wolpert ;
the current state of the body is used as a starting point, and motor
efference copy is used to predict action outcomes. One can therefore
implement some required corrections without waiting for action feedback.
Furthermore, error correcting mechanisms seem to leverage the same
forward modeling processes that are used to plan and initiate voluntary
actions, with hallmarks of corrections being visible at latencies as
short as 60 ms [2, 3].
It has also been demonstrated that both forward models and error
correction processes are modified with sensorimotor adaptation (cf. [4, 5, 6, 7]).
the past ten years, substantial progress has been made in identifying
neurocognitive correlates of adaptation to sensorimotor perturbations
and individual differences contributing to varying degrees of success
with adaptation and learning. This paper provides a perspective on these
topics. Specifically, section II outlines how the study of individual
differences in learning and adaptation rates can yield understanding of
the neural and cognitive processes underlying these behaviors. Section
III highlights genetic approaches as another pathway to elucidating
individual differences in learning. We then discuss clinical
implications of the reviewed work (section IV) and future directions
that may prove fruitful for further study (section V).