000154851 001__ 154851
000154851 005__ 20190316234933.0
000154851 0247_ $$2doi$$a10.1002/hbm.20764
000154851 022__ $$a1097-0193
000154851 02470 $$2ISI$$a000266710900006
000154851 037__ $$aARTICLE
000154851 245__ $$aThe timing of temporoparietal and frontal activations during mental own body transformations from different visuospatial perspectives
000154851 269__ $$a2009
000154851 260__ $$bWiley-Blackwell$$c2009
000154851 336__ $$aJournal Articles
000154851 520__ $$aThe perspective from where the world is perceived is an important aspect of the bodily self and may break down in neurological conditions such as out-of-body experiences (OBEs). These striking disturbances are characterized by disembodiment, an external perspective and have been observed after temporoparietal damage. Using mental own body imagery, recent neuroimaging work has linked perspectival changes to the temporoparietal cortex. Because the disembodied perspective during OBEs is elevated in the majority of cases, we tested whether an elevated perspective will interfere with such temporoparietal mechanisms mental own body imagery. We designed stimuli of life-sized humans rotated around the vertical axis and rendered as if viewed from three different perspectives: elevated, lowered, and normal. Reaction times (RTs) in an own body transformation task, but not the control condition, were dependent on the rotation angle. Furthermore, RTs were shorter for the elevated as compared with the normal or lowered perspective. Using high-density EEG and evoked potential (EP) mapping, we found a bilateral temporoparietal and frontal activation at approximately 330-420 ms after stimulus onset that was dependent on the rotation angle, but not on the perspective. This activation was also found in response-locked EPs. In the time period approximately 210-330 ms we found a temporally distinct posterior temporal activation with its duration being dependent on the perspective, but not the rotation angle. Collectively, the present findings suggest that temporoparietal and frontal as well as posterior temporal activations and their timing are crucial neuronal correlates of the bodily self as studied by mental imagery.
000154851 6531_ $$amental perspective taking
000154851 6531_ $$aimagery
000154851 6531_ $$afirst person perspective
000154851 6531_ $$aelectrical brain imaging
000154851 6531_ $$aevent-related
000154851 6531_ $$aresponse-locked
000154851 6531_ $$aLaura
000154851 6531_ $$aSelf-Recognition
000154851 6531_ $$aReference Electrode
000154851 6531_ $$aAverage Reference
000154851 6531_ $$aRight-Hemisphere
000154851 6531_ $$aPremotor Cortex
000154851 6531_ $$aRotation
000154851 6531_ $$aImagery
000154851 6531_ $$aMotor
000154851 6531_ $$aArea
000154851 6531_ $$aExperience
000154851 700__ $$aSchwabe, Lars
000154851 700__ $$aLenggenhager, Bigna
000154851 700__ $$g165806$$aBlanke, Olaf$$0240593
000154851 773__ $$j30$$tHuman brain mapping$$k6$$q1801-12
000154851 8564_ $$uhttps://infoscience.epfl.ch/record/154851/files/2009_Schwabe_HBM_the%20timing%20of%20temoparietal%20and%20frontal%20activations%20during%20mental%20own%20body%20transformations%20from%20different%20visospatial%20perspectives.pdf$$zn/a$$s374750$$yPublisher's version
000154851 909C0 $$xU11025$$0252325$$pLNCO
000154851 909CO $$ooai:infoscience.tind.io:154851$$qGLOBAL_SET$$pSV$$particle
000154851 917Z8 $$x182396
000154851 917Z8 $$x198754
000154851 937__ $$aEPFL-ARTICLE-154851
000154851 973__ $$rREVIEWED$$sPUBLISHED$$aEPFL
000154851 980__ $$aARTICLE