Dear P.A.
1) Yes it has been done. See this web page:
http://news.bbc.co.uk/1/hi/health/3186850.stm
Panagiotis Artemiadis wrote:
> Dear Sirs,
>> I would like to have some answers at the follwing topics :
>> 1) Is it possible to have a mapping of brain areas regarding the desired
> movement? That is, is it
> possible to record signals from brain areas, and to translate them to the
> stimulation of a muscle?
> How exact are these signals? How can we acquire these signals? Invasive or
> non-invasive methods
> of interfacing? For example, with an electrode at a specific area of primary
> motor cortex, can we
> detect the movement of a finger? Or the stimulation of the biceps muscle?
>> 2) Are these signals transfered through neurons' axons to the relevant
> muscle? I mean, if we can not
> record these signals from the primary motor cortex, are we able of acquiring
> these signals from
> the Peripheral Nervous System? How this can be done? Is the sEMG a possible
> solution?
>> 3) Can we detect (by processing or not) some characteristics of motion into
> these signals? For
> example, is a characteristic of a signal depicts the torque or velocity of
> the movement of the arm?
>> 4) Can an EEG prove usefull to the above mentioned signal-to-movement
> translation? What other
> methods exist?
>>> Thank you in advance for your prompt reply
>> P.A.
>>