000159552 001__ 159552
000159552 005__ 20181203022158.0
000159552 0247_ $$2doi$$a10.1007/s10548-008-0065-2
000159552 022__ $$a0896-0267
000159552 02470 $$2ISI$$a000268774700007
000159552 037__ $$aARTICLE
000159552 245__ $$aImpaired Imagery for Upper Limbs
000159552 269__ $$a2009
000159552 260__ $$bSpringer Verlag$$c2009
000159552 336__ $$aJournal Articles
000159552 520__ $$aThe brain processes associated with mental imagery have long been a matter of debate. Neuroimaging and neuropsychological studies have yielded diverging evidence of mental transformation activating the right hemisphere, the left hemisphere, or both. Here, using a mirror/normal discrimination task with rotated body parts (BPs) and external objects (EOs), we describe the case of a patient who developed a selective deficit in mental imagery of such BPs due to left posterior parietal brain damage. In addition, the patient's deficit predominated for pictures of right arms (i.e., arms corresponding to the patient's imagined contralesional arm) and was further characterised by an inability to distinguish between anatomically possible and impossible arm positions. This neuropsychological deficit was corroborated by neuroimaging evidence revealing the absence of activation in the left parietal lobe for the mental rotation of body parts as shown in healthy participants. In contrast, his behavioural performance and brain activation for EOs were similar to those of healthy participants. These data suggest that mental imagery of BPs and EOs relies on different cognitive and neural mechanisms and indicate that the left posterior parietal lobe is a necessary structure for mental transformations of human BPs.
000159552 6531_ $$aBody parts
000159552 6531_ $$aElectric source imaging
000159552 6531_ $$aERP mapping
000159552 6531_ $$aMental rotation
000159552 6531_ $$aPositron-Emission-Tomography
000159552 6531_ $$aExtrastriate Body Area
000159552 6531_ $$aMental Rotation
000159552 6531_ $$aParietal Lobe
000159552 6531_ $$aMotor Imagery
000159552 6531_ $$aHuman Brain
000159552 6531_ $$aTemporoparietal Junction
000159552 6531_ $$aSpatial Transformations
000159552 6531_ $$aFunctional Activation
000159552 6531_ $$aObject Recognition
000159552 700__ $$aOverney, Leila S.
000159552 700__ $$0240593$$aBlanke, Olaf$$g165806
000159552 773__ $$j22$$q27-43$$tBrain Topography
000159552 8564_ $$s577405$$uhttps://infoscience.epfl.ch/record/159552/files/2009_Overney_BT_impaired%20imagery%20for%20upper%20limbs.pdf$$yn/a$$zn/a
000159552 909C0 $$0252325$$pLNCO$$xU11025
000159552 909CO $$ooai:infoscience.tind.io:159552$$pSV$$particle
000159552 917Z8 $$xWOS-2010-11-30
000159552 917Z8 $$x198754
000159552 917Z8 $$x198754
000159552 937__ $$aEPFL-ARTICLE-159552
000159552 973__ $$aEPFL$$rREVIEWED$$sPUBLISHED
000159552 980__ $$aARTICLE