Please outline and summarize the articles, then answer the following using ALL THREE articles:

1. Define stimulus control according to the authors of these articles.

2. What do these articles tell us about discrimination training, generalization, and perception?

3. In these article, what stimuli have been demonstrated to exert stimulus control, as well as how various aspects of stimulus control have been manipulated to show mutual control over behavior?

James A. Dinsmoor. (n.d.). Stimulus control: Part II. The Behavior Analyst, 2, 253-. https://doi.org/10.1007/BF03392712

Blough, D. S. (1972). Recognition by the pigeon of stimuli varying in two dimensions. Journal of the Experimental Analysis of Behavior, 18(3), 345-367.

ANTHONY A. WRIGHT, R. G. C. (1988). Concept learning bypigeons: Matching-to-sample with trial-unique video picture stimuli. Animal Learning & Behavior, 4, 43-. https://link.springer.com/content/pdf/10.3758/BF03209384.pdf