Psych M.D. - Unconditioned Stimulus


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Term: Unconditioned Stimulus (UCS)
Definition (Myers): in classical conditioning, a stimulus that unconditionally - naturally and automatically - triggers a response.1
Definition (alternative): the unconditioned stimulus is one that unconditionally, naturally, and automatically triggers a response.2
Contextual explanation: So the UCS is the raw factor that stimulates you. So when you smell a food that you really like and get hungry, the UCS is the smell of the food.
Related terms and concepts:
http://www.northern.ac.uk/learning/NCMaterial/Psychology/lifespan%20folder/PAVLOV.gif3
4
Related websites:
Sources: insert WAPA style citations here
  1. Myers, D. G. (2004). Psychology. New York, New York: Worth Publishers.
  2. Wagner, K. (n.d.). Unconditioned Stimulus. About.com. Retrieved November 5, 2009, from http://psychology.about.com/od/uindex/g/unconditioned.htm
  3. PAVLOV.gif. (n.d.). Northern College. Retrieved November 5, 2009, from www.northern.ac.uk/learning/NCMaterial/Psychology/lifespan%20folder/PAVLOV.gif
  4. CptCubanFury, D. (n.d.). Classical Conditioning at BGSU. Youtube. Retrieved November 5, 2009, from http://www.youtube.com/watch?v=Eo7jcI8fAuI
Edited by: Peter
Date of last edit: 11/5/2009



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