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FIG. 2. Three-dimensional renderings of statistical parametric conjunction maps showing brain areas of higher normalized cerebral flow during conscious resting state than in any of the nine cognitive tasks included in the protocol. Left: front view, Right: rear view. Conjunction maps were generated at a 0.001 statistical (uncorrected for multiple comparisons) for display purposes.

Figure 2 Three-dimensional renderings of statistical parametric conjunction maps showing brain areas of higher normalized cerebral flow during conscious resting state than in any of the nine cognitive tasks included in the protocol. Left: front view, Right: rear view. Conjunction maps were generated at a 0.001 statistical (uncorrected for multiple comparisons) for display purposes.

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DESCRIPTION OF THE NINE POSITRON EMISSION TOMOGRAPHY ACTIVATION PROTOCOLS INCLUDED IN THE META-ANALYSIS * In all protocols, conscious resting states served as a reference to the cognitive task. VIS, visual; AUD, auditory; MOT, motor; VOC, vocal; numbers in square brackets refer to individual protocol publications in reference list.
DESCRIPTION OF THE NINE POSITRON EMISSION TOMOGRAPHY ACTIVATION PROTOCOLS INCLUDED IN THE META-ANALYSIS * In all protocols, conscious resting states served as a reference to the cognitive task. VIS, visual; AUD, auditory; MOT, motor; VOC, vocal; numbers in square brackets refer to individual protocol publications in reference list.
FIG. 1. Experimental setup for positron emission tomography (PET) experiments. Black curtains are attached to the front and rear of the PET camera ensuring total darkness during the conscious resting state condition (luminance in the camera tunnel 0 + 1 Lux). The black chamber at the PET camera rear can accommodate a PC for visual stimulus delivery.
FIG. 1. Experimental setup for positron emission tomography (PET) experiments. Black curtains are attached to the front and rear of the PET camera ensuring total darkness during the conscious resting state condition (luminance in the camera tunnel 0 + 1 Lux). The black chamber at the PET camera rear can accommodate a PC for visual stimulus delivery.
NUMBER OF POSITRON EMISSION TOMOGRAPHY ACTIVATION PROTOCOLS PER STIMULUS/RESPONSE TY PES TABLE 2
NUMBER OF POSITRON EMISSION TOMOGRAPHY ACTIVATION PROTOCOLS PER STIMULUS/RESPONSE TY PES TABLE 2
OBSERVED OCCURRENCES OF REPORTED MENTAL IMAGERY AND INNER SPEECH MENTAL ACTIVITIES DURING THE CONSCIOUS RESTING CONDITION IN 41 SUBJECTS x? = 4.16, df = 4, p = 0.38.
OBSERVED OCCURRENCES OF REPORTED MENTAL IMAGERY AND INNER SPEECH MENTAL ACTIVITIES DURING THE CONSCIOUS RESTING CONDITION IN 41 SUBJECTS x? = 4.16, df = 4, p = 0.38.
* p = 0.05 corrected for multiple comparisons. L, left; R, right; BA, Brodmann’s area; x, y, z stereotactic coordinates; k = activation cluster size in voxels. ACTIVATION CLUSTERS DURING CONSCIOUS RESTING STATE* AS COMPARED TO THE NINE TASKS INCLUDED IN THE META-ANALYSIS TABLE 4
* p = 0.05 corrected for multiple comparisons. L, left; R, right; BA, Brodmann’s area; x, y, z stereotactic coordinates; k = activation cluster size in voxels. ACTIVATION CLUSTERS DURING CONSCIOUS RESTING STATE* AS COMPARED TO THE NINE TASKS INCLUDED IN THE META-ANALYSIS TABLE 4
FIG. 3. Histograms of the variations across conditions of normalized cerebral flow activation during conscious resting state as compared to the cognitive tasks in some selected areas. Images were generated by fusion of axial sections of the Montreal Neurological Institute brain magnetic resonance imaging template and of the conjunction volume at the same level. Task number on histogram horizontal axis refers to task number in Table 1.
FIG. 3. Histograms of the variations across conditions of normalized cerebral flow activation during conscious resting state as compared to the cognitive tasks in some selected areas. Images were generated by fusion of axial sections of the Montreal Neurological Institute brain magnetic resonance imaging template and of the conjunction volume at the same level. Task number on histogram horizontal axis refers to task number in Table 1.
FIG. 4. Histograms of the variations across conditions of normalized cerebral flow activation during conscious resting state as compared to the cognitive tasks in some selected areas. Image was generated by fusion of a midline sagittal section of the Montreal Neurological Institute brain magnetic resonance imaging template and of the conjunction volume. Task number o1 histogram horizontal axis refers to task number in Table 1. Note the similar pattern of across task variations in the mediar superior frontal sulcus, anterior cingulate gyrus, and cerebellar vermis.
FIG. 4. Histograms of the variations across conditions of normalized cerebral flow activation during conscious resting state as compared to the cognitive tasks in some selected areas. Image was generated by fusion of a midline sagittal section of the Montreal Neurological Institute brain magnetic resonance imaging template and of the conjunction volume. Task number o1 histogram horizontal axis refers to task number in Table 1. Note the similar pattern of across task variations in the mediar superior frontal sulcus, anterior cingulate gyrus, and cerebellar vermis.
DEACTIVATION CLUSTERS DURING CONSCIOUS RESTING STATE* COMPARED TO THE NINE TASKS INCLUDED IN THE META-ANALYSIS * p < 0.05 corrected for multiple comparisons. L, left; R, right; x, y, z stereotactic coordinates; k = activation cluster size in voxels. TABLE 5
DEACTIVATION CLUSTERS DURING CONSCIOUS RESTING STATE* COMPARED TO THE NINE TASKS INCLUDED IN THE META-ANALYSIS * p < 0.05 corrected for multiple comparisons. L, left; R, right; x, y, z stereotactic coordinates; k = activation cluster size in voxels. TABLE 5
Foci are identified by their stereotactic coordinates and Brodmann area number according to the Talairach atlas. Cells in grey indicate mismatch betwee! the studies. D, euclidian distance between corresponding foci in the Talairach space, L, left; R, right. COMPARISON OF ACTIVATION FOCI OBSERVED DURING CONSCIOUS RESTING STATE (REST) IN THE PRESENT STUDY WITH: (1) FOCI OF DECREASED METABOLISM DURING VEGETATIVE STATE AS COMPARED TO REST IN HEALTHY CONTROLS (LEFT COLUMNS [40], (2) FOCI OF FUNCTIONAL MAGNETIC RESONANCE IMAGING SIGNAL ACTIVATION DURING REST AS COMPARED TO TONE LISTENING (RIGHT COLUMNS, [7])
Foci are identified by their stereotactic coordinates and Brodmann area number according to the Talairach atlas. Cells in grey indicate mismatch betwee! the studies. D, euclidian distance between corresponding foci in the Talairach space, L, left; R, right. COMPARISON OF ACTIVATION FOCI OBSERVED DURING CONSCIOUS RESTING STATE (REST) IN THE PRESENT STUDY WITH: (1) FOCI OF DECREASED METABOLISM DURING VEGETATIVE STATE AS COMPARED TO REST IN HEALTHY CONTROLS (LEFT COLUMNS [40], (2) FOCI OF FUNCTIONAL MAGNETIC RESONANCE IMAGING SIGNAL ACTIVATION DURING REST AS COMPARED TO TONE LISTENING (RIGHT COLUMNS, [7])
Foci are identified by their stereotactic coordinates and Brodmann area number according to the Talairach atlas. Cells in grey indicate mismatch betweer the 2 studies. D, euclidian distance in the Talairach space between corresponding foci; L, left; R, right. COMPARISON OF ACTIVATION AND DEACTIVATION FOCI OBSERVED IN SHULMAN’S METANALY SIS [66] AND IN THE PRESENT STUDY
Foci are identified by their stereotactic coordinates and Brodmann area number according to the Talairach atlas. Cells in grey indicate mismatch betweer the 2 studies. D, euclidian distance in the Talairach space between corresponding foci; L, left; R, right. COMPARISON OF ACTIVATION AND DEACTIVATION FOCI OBSERVED IN SHULMAN’S METANALY SIS [66] AND IN THE PRESENT STUDY
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