| pubmed-article:19931421 | rdf:type | pubmed:Citation | lld:pubmed |
| pubmed-article:19931421 | lifeskim:mentions | umls-concept:C0030705 | lld:lifeskim |
| pubmed-article:19931421 | lifeskim:mentions | umls-concept:C0162429 | lld:lifeskim |
| pubmed-article:19931421 | lifeskim:mentions | umls-concept:C0026339 | lld:lifeskim |
| pubmed-article:19931421 | lifeskim:mentions | umls-concept:C0026336 | lld:lifeskim |
| pubmed-article:19931421 | lifeskim:mentions | umls-concept:C1282910 | lld:lifeskim |
| pubmed-article:19931421 | lifeskim:mentions | umls-concept:C0036341 | lld:lifeskim |
| pubmed-article:19931421 | lifeskim:mentions | umls-concept:C0020903 | lld:lifeskim |
| pubmed-article:19931421 | lifeskim:mentions | umls-concept:C0597198 | lld:lifeskim |
| pubmed-article:19931421 | lifeskim:mentions | umls-concept:C0011155 | lld:lifeskim |
| pubmed-article:19931421 | lifeskim:mentions | umls-concept:C0439780 | lld:lifeskim |
| pubmed-article:19931421 | lifeskim:mentions | umls-concept:C0332120 | lld:lifeskim |
| pubmed-article:19931421 | pubmed:issue | 1-3 | lld:pubmed |
| pubmed-article:19931421 | pubmed:dateCreated | 2010-7-26 | lld:pubmed |
| pubmed-article:19931421 | pubmed:abstractText | When non-psychiatric individuals compare the weights of two similar objects of identical mass, but of different sizes, the smaller object is often perceived as substantially heavier. This size-weight illusion (SWI) is thought to be generated by a violation of the common expectation that the large object will be heavier, possibly via a mismatch between an efference copy of the movement and the actual sensory feedback received. As previous research suggests that patients with schizophrenia have deficits in forward model/efference copy mechanisms, we hypothesized that schizophrenic patients would show a reduced SWI. The current study compared the strength of the SWI in schizophrenic patients to matched non-psychiatric participants; weight discrimination for same-sized objects was also assessed. We found a reduced SWI for schizophrenic patients, which resulted in better (more veridical) weight discrimination performance on illusion trials compared to non-psychiatric individuals. This difference in the strength of the SWI persisted when groups were matched for weight discrimination performance. The current findings are consistent with a dysfunctional forward model mechanism in this population. Future studies to elucidate the locus of this impairment using variations on the current study are also proposed. | lld:pubmed |
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| pubmed-article:19931421 | pubmed:language | eng | lld:pubmed |
| pubmed-article:19931421 | pubmed:journal | http://linkedlifedata.com/r... | lld:pubmed |
| pubmed-article:19931421 | pubmed:citationSubset | IM | lld:pubmed |
| pubmed-article:19931421 | pubmed:status | MEDLINE | lld:pubmed |
| pubmed-article:19931421 | pubmed:month | Aug | lld:pubmed |
| pubmed-article:19931421 | pubmed:issn | 1573-2509 | lld:pubmed |
| pubmed-article:19931421 | pubmed:author | pubmed-author:BraffDavid... | lld:pubmed |
| pubmed-article:19931421 | pubmed:author | pubmed-author:LightGregory... | lld:pubmed |
| pubmed-article:19931421 | pubmed:author | pubmed-author:RamachandranV... | lld:pubmed |
| pubmed-article:19931421 | pubmed:author | pubmed-author:HubbardEdward... | lld:pubmed |
| pubmed-article:19931421 | pubmed:author | pubmed-author:WilliamsLisa... | lld:pubmed |
| pubmed-article:19931421 | pubmed:copyrightInfo | Copyright 2009 Elsevier B.V. All rights reserved. | lld:pubmed |
| pubmed-article:19931421 | pubmed:issnType | Electronic | lld:pubmed |
| pubmed-article:19931421 | pubmed:volume | 121 | lld:pubmed |
| pubmed-article:19931421 | pubmed:owner | NLM | lld:pubmed |
| pubmed-article:19931421 | pubmed:authorsComplete | Y | lld:pubmed |
| pubmed-article:19931421 | pubmed:pagination | 101-6 | lld:pubmed |
| pubmed-article:19931421 | pubmed:dateRevised | 2011-9-26 | lld:pubmed |
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| pubmed-article:19931421 | pubmed:meshHeading | pubmed-meshheading:19931421... | lld:pubmed |
| pubmed-article:19931421 | pubmed:year | 2010 | lld:pubmed |
| pubmed-article:19931421 | pubmed:articleTitle | Superior size-weight illusion performance in patients with schizophrenia: evidence for deficits in forward models. | lld:pubmed |
| pubmed-article:19931421 | pubmed:affiliation | Department of Psychology, University of California San Diego, 9500 Gilman Drive #0109, La Jolla, CA 92093-0109, USA. lewilliams1@gmail.com | lld:pubmed |
| pubmed-article:19931421 | pubmed:publicationType | Journal Article | lld:pubmed |
| pubmed-article:19931421 | pubmed:publicationType | Research Support, U.S. Gov't, Non-P.H.S. | lld:pubmed |
| pubmed-article:19931421 | pubmed:publicationType | Research Support, N.I.H., Extramural | lld:pubmed |
