{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,20]],"date-time":"2026-10-20T06:27:25Z","timestamp":1792477645491,"version":"4.5.0"},"reference-count":34,"publisher":"SAGE Publications","issue":"4","license":[{"start":{"date-parts":[[1975,11,1]],"date-time":"1975-11-01T00:00:00Z","timestamp":184032000000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Quarterly Journal of Experimental Psychology"],"published-print":{"date-parts":[[1975,11]]},"abstract":"<jats:p>The selective impairment of semantic memory is described in three patients with diffuse cerebrallesions. These patients, selected on the basis of a failure to recognize or identify common objects (agnosia for objects), were investigated in detail. In particular, their perceptual, language and memory functions were assessed, and the limits and properties of their recognition difficulties explored.<\/jats:p>\n                  <jats:p>It was found that knowledge of pictorial representations of objects, and of words, was impaired or impoverished, and in both instances knowledge of subordinate categories was more vulnerable than superordinate categories. Evidence is presented that this impairment of semantic memory cannot be accounted for by intellectual impairment, sensory or perceptual deficits, or expressive language disorder. The implications of damage to the semantic memory system for the operation of other cognitive systems, in particular short and long-term memory functions, are considered. Some tentative evidence for the structural basis for a hierarchically organized modality-specific semantic memory system is discussed.<\/jats:p>","DOI":"10.1080\/14640747508400525","type":"journal-article","created":{"date-parts":[[2007,7,8]],"date-time":"2007-07-08T18:47:37Z","timestamp":1183920457000},"page":"635-657","source":"Crossref","is-referenced-by-count":1122,"title":["The Selective Impairment of Semantic Memory"],"prefix":"10.1177","volume":"27","author":[{"given":"Elizabeth K.","family":"Warrington","sequence":"first","affiliation":[{"name":"National Hospital, Queen Square, London, W.C.1, U.K."}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"179","published-online":{"date-parts":[[1975,11,1]]},"reference":[{"key":"bibr1-14640747508400525","doi-asserted-by":"publisher","DOI":"10.1080\/14640746608400055"},{"key":"bibr2-14640747508400525","doi-asserted-by":"publisher","DOI":"10.1111\/j.2044-8295.1969.tb01196.x"},{"key":"bibr3-14640747508400525","author":"Clark E. 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