In reversal tasks, an animal is first trained on a simple discriminative problem: for example, to choose the left-hand arm of a T-maze, where it is rewarded, rather than the right arm, where it is not.
Shrapnel tore through his left hand, arm and torso.
After two months out of action with a throat infection, Hess served in the Battle of Verdun in May, and was hit by shrapnel in the left hand and arm on 12 June 1916 in fighting near the village of Thiaumont.
Only rarely, though, do we witness such a cameo of intermanual incomprehension as occurred last week within their Shakespeare cycle: the right hand seizing a hammer and snappishly nailing the left hand to the arm of the chair.
The arms follow: first the left hand pulls the opponent's right arm, while the right arm (which, by the way, should have "looped" upwards) simply lunges up and turns downwards.
Colors are selected according to the angle of the right arm and the left hand works as an eraser.
Even now, she told OFM earlier this year, sympathetic viewers write to her suggesting recipes for the arthritis they think causes the weakness in her left hand and arm, in fact a legacy of the illness.
Henry touched the ball with his left hand and arm before passing to William Gallas, who scored the decisive goal in a playoff last November in Paris.
Your right hand and elbow are controlling your edge and keeping it in the wave and your left hand and arm are controlling your direction and turning ability.
The Mancunian was born without a left hand (her arm ends at the heel of her palm).
Cone was eventually taken to a local hospital for X-rays, which revealed no fractures, and his teammates were surprised to see him moving his left hand and arm after the game.
