Study with quizlet and memorize flashcards containing terms like what did olds and milner discover in 1954?, what is the dopamine mesolimbic pathway?, what does the dopamine mesolimbic pathway encode In 1954, canadian researchers james olds and peter milner discovered that stimulation of certain regions of the rat’s brain acted as a reward in teaching the animals to run mazes and solve problems. Back in 1953, scientists james olds and peter milner at mcgill university stumbled upon something fascinating, quite by accident
Paige Steele
While trying to study fear responses in rats, they misplaced an electrode in one rat's brain.
Olds and milner’s experiments provided some of the first key evidence for the existence of certain regions in the brain that process reward, or positive reinforcement.
Y james olds and peter milner They demonstrated that a rat with an electrode inserted into a cer tain area of its brain would press a trea dle to stimulate itself [see leasure centers in the brain. by j mes olds After implantation of electrodes at various points in the brains of rats, the animals were placed in a skinner box, arranged in such a manner that they could stimulate themselves by pressing the lever. In 1954, james olds and peter milner discovered that a rat would press a bar to receive a brief impulse of electricity through an electrode implanted in certain areas of the brain.
Brain stimulation reward was discovered in 1953 by james olds and peter milner (1954 See also olds 1973, milner 1989), who had come to mcgill university to work with d 1954) showed that cats would learn to escape electrical stimulation of certain deep forebrain structures.
