Well, techneut and Monica, you have spotted some weaknesses of mine.
Here is the story. Some years ago I suffered a stroke, from which I made a very good recovery,
and the Square Piano helped me enormously.
It was a right-sided stroke and interestingly my right hand seems to be perfectly alright,
but I have sometimes a great difficulty coordinating my left hand into the action
and I need my left hand “thinking better”, so my left hand can work in coordination.
If anyone has any tips on how I could get both hands working together better
I would be very grateful.
Thanks from Kristinaolga.
So sorry to hear about your plight. The fact that your LH is and was affected is perfectly consistent and expected for a right cerebral stroke of the motor cortext as the nerve paths, as they descend, cross in the medulla oblongata (part of brainstem) at a region called the pyramidal decussation. Later these paths exit the spinal cord as peripheral nerves. Therefore, the right side of the brain actually controls the left side of the body (excepting the face which is controlled by cranial nerves that exit the brain directly). After a stroke, it is very common to regain some control of the larger muscle groups (gross motor), but even in mild strokes, fine motor skills (smaller muscles, like those controlling the fingers) are rarely if even partially regained. Also, for reasons beyond what I will explain here, strokes result in spastic (not flacid) paralysis of the affected limbs. Of course, a cerebral vascular accident (stroke) can span the spectrum from hardly detectable (lacunar infarcts) to devistating and fatal depending on their magnitude and location. I'm afraid I don't have enough knowledge or experience with stroke rehabilitation to tell you much other.
While I'm wearing my doctor hat, to all my friends here that may read this reply, let me say that the best means of preventing a primary stroke (all other things being equal) is to have controlled blood pressure and controlled cholesterol. Please be seeing a physician with some regularity to make sure you are pursuing the best health possible (hypertension has the nick-name of "Silent Killer" for a reason). Other risk factors for having a stroke include: diabetes, obesity, smoking and any therapies or conditions that may encourage blood clots.