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Based on the observation that neighboring fields move in similar ways, whereas widely separated fields tend to move relative to each other, we develop an empirical vector-field model that accounts for the stated effects of changing the card separation. We then go on to show that the same vector-field equation predicts additional aspects of the experimental results. In one example, we demonstrate that place cell firing fields undergo distortions of shape after the card separation is changed, as though different parts of the same field are affected by the stimulus constellation in the same fashion as fields at different locations. We conclude that the vector-field formalism reflects the organization of the place-cell representation of the environment for the current case, and through suitable modification may be very useful for describing motions of firing patterns induced by a wide variety of stimulus manipulations.<\/jats:p>","DOI":"10.1085\/jgp.116.2.211","type":"journal-article","created":{"date-parts":[[2002,7,26]],"date-time":"2002-07-26T16:50:20Z","timestamp":1027702220000},"page":"211-222","update-policy":"https:\/\/doi.org\/10.1085\/jgp.crossmarkpolicy","source":"Crossref","is-referenced-by-count":32,"title":["Conjoint Control of Hippocampal Place Cell Firing by Two Visual Stimuli"],"prefix":"10.1085","volume":"116","author":[{"given":"Andr\u00e9 A.","family":"Fenton","sequence":"first","affiliation":[{"name":"aInstitute of Physiology, Academy of Sciences of the Czech Republic, Prague, Czech Republic 14220"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Gyorgy","family":"Csizmadia","sequence":"additional","affiliation":[{"name":"bState University of New York-Health Science Center at Brooklyn, Brooklyn, New York 11203"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Robert U.","family":"Muller","sequence":"additional","affiliation":[{"name":"bState University of New York-Health Science Center at Brooklyn, Brooklyn, New York 11203"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"291","published-online":{"date-parts":[[2000,7,31]]},"reference":[{"key":"2023072520263839900_Andersenetal1964","doi-asserted-by":"crossref","first-page":"608","DOI":"10.1152\/jn.1964.27.4.608","article-title":"Pathway of postsynaptic inhibition in the hippocampus","volume":"27","author":"Andersen","year":"1964","journal-title":"J. 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