Show left handed handedness ness Is brain M y S L C 1 y light thrown on phenomenon of ambia ambidexterity london A former deputy commissioner of londona Lon dons metropolitan colbe once half seriously billat illat a police car should be perpetually parked before 45 lians pi lc so often did scotland yard require the services of the ninn min who lles there 11 aliis his ninn man also known ns as the linnik all counsel to the C L D Is sir james arii aton browne author of some rome novels tl apfl on paradoxes of leglia medicine and serious works on nervous and vice president of the royal institution just 27 years ago he concluded a lecture on dexterity and tile lie rond bond sinister at the institution with will tile the words expert elucidates wo we cannot get rid of right or left handedness try how we may to raze out the written troubles of the brain is no easy matter matler to delete its deeply eng en graven raven records Is a ask impossible A represent athe aVie of the dally daily mall lulng halicz li reent recently ly read a report of the lecture through and falling failing to grasp it entirely called at 15 45 place thinking in to catch sir james na napping loping in one way lie he for sir jumps lind had just been hia lil ninety fourth in another way lie he for when lie ile left lie ile took louk with bilth him an of tile the lecture of loos 1903 noldi in the daily enily mall mal reads in part us as follows follow nn an cl epic c of its sort culture ul nire ture useful enough 11 in some spec lilly v employed persons must I 1 on nn tile the large scale tend to con flitton r ullon Is woven in the brain lind and so Is left handedness rind and to change the pattern you must un raiel rael the tissues my conviction is that a as regards left deft handedness it Is well to leave well alone 11 1 I am interested to note therefore e that our london school doctors who have been investigating the teaching of 0 left handed children have come to the same rame conclusion as that at which I 1 arrived so long ago their memorandum just presented lays stress on the serious danger that may result from pressure in correcting left handedness in children when it is either natural or well established there are cases of genuine and permanent ambidexterity notably that of lord baden powell that benefactor of his country who Is accustomed to use both hands interchangeably it has never been suggested that left handedness or ambidexterity Is in ot of any mental defect or incompatible with the highest intellectual power or with genius leonardo da vinci was left handed banded 4 natural left handedness Is merely a transference of power from one side to the other and acquired ambidexterity means the special training tra inta of certain groups of muscles and their springs aprin sprin s in the brain for certain movements it Is all a matter of cerebral organization mysteries of the brain the two hemispheres of the brain are not functionally symmetrical in a vast majority of persons the left hemisphere Is the more voluntary the right the more automatic but there Is an occasional reversal of this arran arrangement ge ment now low the hand and arm centers are adjacent nt to each other and closely linked linke d with the speech centers in the brain and it Is a st significant ant fact observed by the london school doctors that stammering Is among the nervous systems ss stems induced by ill judged efforts to correct lett left handedness in young children in whom the evolutions of the brain centers are still going on ye we have right arid and lett left everywhere in the human subject it Is well to accept it SS as it Is and make the best of it without attempting any futile perhaps hazardous transformation |