15 out. Breve História da Neurociência Cognitiva INTRODUÇÃO HISTÓRIA DO HISTÓRIA DA PSICOLOGIA Empirismo: conhecimento através de. age (estimated from 9 to 11 yrs) the right hemisphere would take Ongudge function, for the cerebral hemispheres were equipotencial in the young child. Free Online Library: Las funciones psiquicas superiores, la corteza cerebral y la como la idea de la homogeneidad y la equipotencialidad del tejido cerebral.

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Although Lashley studied many things, his most influential research centered around the cortical basis of learning and discrimination. The cortical lesions had specific effects on acquisition and retention of knowledge, but the location of the removed cortex had no effect on the rats’ performance in the maze.

Retrieved from ” https: Lashley coined the term equipotentiality to define the idea that if one part of the brain is damaged, other parts of the brain will carry out the memory functions for that damaged part.


Karl Spencer Lashley defined equipotentiality as “The apparent capacity of any intact part of a functional brain to carry out… the [memory] functions which are lost by the destruction of [other parts]”.

He spent most of his childhood alone. Meehl Charles E. Shaffer Orval Hobart Mowrer E.

Hebb Neal E. Watson had the most influence on Lashley.


He researched this by looking at the measurement of behavior before and after specific, carefully quantified, induced brain damage in rats. In equipotencualidadequipotentiality is a neurological principle that describes a cortical mechanism, first identified by Jean Pierre Flourens and later revisited by Karl Lashley in the s.


There has also been experimental work done on higher apes and also studies done on humans who have suffered brain damage in various ways. Lashley has always held his family in high regard.

He was the only child of Charles and Maggie Lashley. June 7, Davis, West Virginia. Together the two conducted field experiments and studied the effects of different drugs on maze learning of rats.

An introduction to the history of psychology. Lashley argued that one would then be able to locate these connections in part of the brain and he systematically looked for where learning was localized. Equipotentiality refers to a psychological theory in both neuropsychology and behaviorism.

She was a strong advocate of schooling, and she encouraged Lashley intellectually from an early age; as a result he was able to read at the age of four. Hull Edward C.

Karl Lashley

Another man that Lashley influenced was Roger Sperry. McKeachie Theodore H. His favorite thing to do as a child was to wander through the woods and collect animals, like butterflies and mice. He trained equipotenciialidad to perform specific tasks seeking a food rewardthen lesioned specific areas of the rats’ cortex, either before or after the animals received the training. A fellow researcher, Shepherd Ivory Franzalso shared the common interest of studying localization and studying only things that cedebral be observed.


Retrieved from ” https: Archived from the original on August 1, However, equipotentiality and the law of mass action don’t mean that there is no localization. Bersoff Nadine Kaslow Barry S. After obtaining equipootencialidad Bachelor of Arts at West Virginia University, he was awarded a teaching fellowship at the University of Pittsburghwhere he taught biology along with biological laboratories.

This page was last edited on 10 Octoberat He took a course in zoologyhowever, and switched his major to zoology due to his interactions with a professor. The first was his mother Maggie Blanche Spencer. When speaking of this professor, Lashley wrote, “Within a few weeks in his class I knew that I had found my life’s work”. It proposes that all equipootencialidad of associative equpiotencialidadboth classical Pavlovian and operant Skinnerian involve the same underlying mechanisms.

In this context when we use brain we are referring to the cortex. This page was last edited on 28 Decemberat Lashley was a very active boy, both physically and mentally.