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learning_theories:connectionism [2011/02/21 16:45]
jpetrovic [What is connectionism?]
learning_theories:connectionism [2011/02/22 11:03]
jpetrovic [What is connectionism?]
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 ===== What is connectionism?​ ===== ===== What is connectionism?​ =====
  
-Connectionism represents psychology'​s first comprehensive theory of learning((Zimmerman,​ Barry J., and Dale H. Schunk. Educational psychology: a century of contributions. Routledge, 2003.)). It was later introduced by [[http://​www.mnsu.edu/​emuseum/​information/​biography/​pqrst/​spencer_herbert.html|Herbert Spencer]], [[http://​plato.stanford.edu/​entries/​james/​|William James]] and his student [[http://​www.muskingum.edu/​~psych/​psycweb/​history/​thorndike.htm|Edward Thorndike]] in the very beginning of the 20th century. Connectionism was then **based on principles of associationism** which claimed that((W. Bechtel and Abrahamsen, A. Connectionism and the Mind: An Introduction to Parallel Processing in Networks. Blackwell, Cambridge, MA, 1991.)): ​+Connectionism represents psychology'​s first comprehensive theory of learning((Zimmerman,​ Barry J., and Dale H. Schunk. Educational psychology: a century of contributions. Routledge, 2003.)). It was introduced by [[http://​www.mnsu.edu/​emuseum/​information/​biography/​pqrst/​spencer_herbert.html|Herbert Spencer]], [[http://​plato.stanford.edu/​entries/​james/​|William James]] and his student [[http://​www.muskingum.edu/​~psych/​psycweb/​history/​thorndike.htm|Edward Thorndike]] in the very beginning of the 20th century. Connectionism was then **based on principles of associationism** which claimed that((W. Bechtel and Abrahamsen, A. Connectionism and the Mind: An Introduction to Parallel Processing in Networks. Blackwell, Cambridge, MA, 1991.)): ​
  
   * Mental elements or ideas become associated with one another through experience   * Mental elements or ideas become associated with one another through experience
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 But connectionism **expands** this **ideas of associationism** by introducing distributed representations or supervised learning(([[http://​citeseerx.ist.psu.edu/​viewdoc/​download?​doi=10.1.1.86.7504&​rep=rep1&​type=pdf|Medler,​ David A. A Brief History of Connectionism. Neural Computing Surveys, 1(2), p18-72. 1998.]])) and should not be confused with associationism. Although he is considered one of the first true connectionist,​ William James' student Edward Thorndike also made the move towards behaviorist ideas. But connectionism **expands** this **ideas of associationism** by introducing distributed representations or supervised learning(([[http://​citeseerx.ist.psu.edu/​viewdoc/​download?​doi=10.1.1.86.7504&​rep=rep1&​type=pdf|Medler,​ David A. A Brief History of Connectionism. Neural Computing Surveys, 1(2), p18-72. 1998.]])) and should not be confused with associationism. Although he is considered one of the first true connectionist,​ William James' student Edward Thorndike also made the move towards behaviorist ideas.
  
-[[http://​historyofpsych.blogspot.com/​2010/​01/​american-behaviorism.html|{{ ​ images:​thorndikes_cat.jpg|Thorndike'​s cat experiment ​(Image borrowed from: History of Psychology: American Behaviorism. Click on the picture to follow the link.))  }}]]+[[http://​historyofpsych.blogspot.com/​2010/​01/​american-behaviorism.html|{{ ​ images:​thorndikes_cat.jpg|Thorndike'​s cat experimentImage borrowed from: History of Psychology: American Behaviorism. Click on the picture to follow the link.  }}]]
  
 At the very end of 19th century Thorndike performed experiments first on chickens and later on cats and dogs. In one experiment he placed a hungry cat inside a //puzzle box//, which had a mechanism that would open the doors of the box every time a string would be pulled or a button pushed. Behavior which resulted in opening the doors was slowly increased as the cat after each successful attempt to open the door needed a bit less time repeat the same action after being put back into the box. Based on this experiment Thorndike concluded learning is **incremental** and **not insightful**,​ since it occurred only through //trial and error// forming of associations between situation and response, where correct response was achieved through repetition of trial and error. Established connections or knowledge, according to Thorndike also cause and determine intelligence. At the very end of 19th century Thorndike performed experiments first on chickens and later on cats and dogs. In one experiment he placed a hungry cat inside a //puzzle box//, which had a mechanism that would open the doors of the box every time a string would be pulled or a button pushed. Behavior which resulted in opening the doors was slowly increased as the cat after each successful attempt to open the door needed a bit less time repeat the same action after being put back into the box. Based on this experiment Thorndike concluded learning is **incremental** and **not insightful**,​ since it occurred only through //trial and error// forming of associations between situation and response, where correct response was achieved through repetition of trial and error. Established connections or knowledge, according to Thorndike also cause and determine intelligence.
learning_theories/connectionism.txt ยท Last modified: 2023/06/19 18:03 (external edit)