{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,22]],"date-time":"2026-10-22T12:07:31Z","timestamp":1792670851922,"version":"4.5.0"},"reference-count":22,"publisher":"Wiley","issue":"3","license":[{"start":{"date-parts":[[2013,2,26]],"date-time":"2013-02-26T00:00:00Z","timestamp":1361836800000},"content-version":"vor","delay-in-days":3954,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["J Exper Analysis Behavior"],"published-print":{"date-parts":[[2002,5]]},"abstract":"<jats:p>A miniature digital camera, QuickCam\u00ae Pro 3000, intended for use with video e\u2010mail, was modified so that snapshots were triggered by operant behavior emitted in a standard experimental chamber. With only minor modification, the manual shutter button on the camera was replaced with a simple switch closure via an I\/O interface controlled by a PC computer. When the operant behavior activated the I\/O switch, the camera took a snapshot of the subject's behavior at that moment. To illustrate the use of the camera, a simple experiment was designed to examine stereotypy and variability in topography of operant behavior under continuous reinforcement and extinction in 6 rats using food pellets as reinforcement. When a rat operated an omnidirectional pole suspended from the ceiling, it also took a picture of the topography of its own behavior at that moment. In a single session after shaping of pole movement (if necessary), blocks of continuous reinforcement, in which each response was reinforced, alternated with blocks of extinction (no reinforcement), with each block ending when 20 responses had occurred. The software supplied with the camera automatically stored each image and named image files successively within a session. The software that controlled the experiment also stored quantitative data regarding the operant behavior such as consecutive order, temporal location within the session, and response duration. This paper describes how the two data types\u2014image information and numerical performance characteristics\u2014can be combined for visual analysis. The experiment illustrates in images how response topography changes during shaping of pole movement, how response topography quickly becomes highly stereotyped during continuous reinforcement, and how response variability increases during extinction. The method of storing digital response\u2010initiated snapshots should be useful for a variety of experimental situations that are intended to examine behavior change and topography.<\/jats:p>","DOI":"10.1901\/jeab.2002.77-283","type":"journal-article","created":{"date-parts":[[2006,3,2]],"date-time":"2006-03-02T16:42:55Z","timestamp":1141317775000},"page":"283-300","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":17,"title":["RESPONSE\u2010INITIATED IMAGING OF OPERANT BEHAVIOR USING A DIGITAL CAMERA"],"prefix":"10.1002","volume":"77","author":[{"given":"Iver H.","family":"Iversen","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2013,2,26]]},"reference":[{"key":"e_1_2_1_2_1","doi-asserted-by":"publisher","DOI":"10.1037\/h0060407"},{"key":"e_1_2_1_3_1","doi-asserted-by":"publisher","DOI":"10.1016\/S0166-4328(97)00121-6"},{"key":"e_1_2_1_4_1","volume-title":"Applied behavior analysis","author":"Cooper J. 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