Hemisphere differences for components of mental rotation

Changes in cortical activity during mental rotation A mapping study using functional MRI

“…Further, the scan planes used in that study were parallel to the AC-PC line and were thus angled somewhat differently than those used here; hence, it was unlikely that the superior parietal activations would have been seen. Our data suggest that any hemispheric dominance in mental rotation is quite variable, even across a study of right-handed subjects; in this sense, our data are consistent with the published studies of the lateralization of mental rotation processes, whose conclusions are highly variable (Ratcliff, 1979;Yamamoto and Hatta, 1980;Sergent, 1988, 1989;Deutsch et al, 1988;Fischer and Pellegrino, 1988;Ditunno and Mann, 1990;Mehta and Newcombe, 1991;Burton et al, 1992;Wendt and Risberg, 1994). Wilson, in particular, reported that measured asymmetries in cerebral blood flow were correlated with task performance (Wilson et al, 1994), which suggests that cognitive/neural strategies may differ across individuals.…”

Changes in cortical activity during mental rotation A mapping study using functional MRI

“…Further, the scan planes used in that study were parallel to the AC-PC line and were thus angled somewhat differently than those used here; hence, it was unlikely that the superior parietal activations would have been seen. Our data suggest that any hemispheric dominance in mental rotation is quite variable, even across a study of right-handed subjects; in this sense, our data are consistent with the published studies of the lateralization of mental rotation processes, whose conclusions are highly variable (Ratcliff, 1979;Yamamoto and Hatta, 1980;Sergent, 1988, 1989;Deutsch et al, 1988;Fischer and Pellegrino, 1988;Ditunno and Mann, 1990;Mehta and Newcombe, 1991;Burton et al, 1992;Wendt and Risberg, 1994). Wilson, in particular, reported that measured asymmetries in cerebral blood flow were correlated with task performance (Wilson et al, 1994), which suggests that cognitive/neural strategies may differ across individuals.…”

Cerebral Asymmetry and Decision Strategies in Mental Rotation: A Psychophysical Analysis

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No hemispheric differences for mental rotation of letters or polygons

“…However, no significant effects between the RYF/LH and LYF/RH presentations for either the letter or polygon stimuli were obtained . Despite suggestions from previous behavioral mental rotation/hemispheric specialization studies on normals that the RH (Cohen, 1975;Jones & Anuza, 1982;Simion et a1 ., 1980) or LH (Corballis et a1., Fischer & Pellegrino, 1988 ;McGuinness & Bartell, 1982 ;Omstem et al, 1980) may be more effective for the mental rotation of different types of stimuli, no statistically reliable evidence for such a differential efficiency was obtained in the present study.…”

Changes in cortical activity during mental rotation A mapping study using functional MRI

“…Further, the scan planes used in that study were parallel to the AC-PC line and were thus angled somewhat differently than those used here; hence, it was unlikely that the superior parietal activations would have been seen. Our data suggest that any hemispheric dominance in mental rotation is quite variable, even across a study of right-handed subjects; in this sense, our data are consistent with the published studies of the lateralization of mental rotation processes, whose conclusions are highly variable (Ratcliff, 1979;Yamamoto and Hatta, 1980;Sergent, 1988, 1989;Deutsch et al, 1988;Fischer and Pellegrino, 1988;Ditunno and Mann, 1990;Mehta and Newcombe, 1991;Burton et al, 1992;Wendt and Risberg, 1994). Wilson, in particular, reported that measured asymmetries in cerebral blood flow were correlated with task performance (Wilson et al, 1994), which suggests that cognitive/neural strategies may differ across individuals.…”

Cerebral Asymmetry and Decision Strategies in Mental Rotation: A Psychophysical Analysis

“……”

“……”

No hemispheric differences for mental rotation of letters or polygons

“…However, no significant effects between the RYF/LH and LYF/RH presentations for either the letter or polygon stimuli were obtained . Despite suggestions from previous behavioral mental rotation/hemispheric specialization studies on normals that the RH (Cohen, 1975;Jones & Anuza, 1982;Simion et a1 ., 1980) or LH (Corballis et a1., Fischer & Pellegrino, 1988 ;McGuinness & Bartell, 1982 ;Omstem et al, 1980) may be more effective for the mental rotation of different types of stimuli, no statistically reliable evidence for such a differential efficiency was obtained in the present study.…”

Changes in cortical activity during mental rotation A mapping study using functional MRI

“…Further, the scan planes used in that study were parallel to the AC-PC line and were thus angled somewhat differently than those used here; hence, it was unlikely that the superior parietal activations would have been seen. Our data suggest that any hemispheric dominance in mental rotation is quite variable, even across a study of right-handed subjects; in this sense, our data are consistent with the published studies of the lateralization of mental rotation processes, whose conclusions are highly variable (Ratcliff, 1979;Yamamoto and Hatta, 1980;Sergent, 1988, 1989;Deutsch et al, 1988;Fischer and Pellegrino, 1988;Ditunno and Mann, 1990;Mehta and Newcombe, 1991;Burton et al, 1992;Wendt and Risberg, 1994). Wilson, in particular, reported that measured asymmetries in cerebral blood flow were correlated with task performance (Wilson et al, 1994), which suggests that cognitive/neural strategies may differ across individuals.…”

Cerebral Asymmetry and Decision Strategies in Mental Rotation: A Psychophysical Analysis

“……”

“……”

No hemispheric differences for mental rotation of letters or polygons

“…However, no significant effects between the RYF/LH and LYF/RH presentations for either the letter or polygon stimuli were obtained . Despite suggestions from previous behavioral mental rotation/hemispheric specialization studies on normals that the RH (Cohen, 1975;Jones & Anuza, 1982;Simion et a1 ., 1980) or LH (Corballis et a1., Fischer & Pellegrino, 1988 ;McGuinness & Bartell, 1982 ;Omstem et al, 1980) may be more effective for the mental rotation of different types of stimuli, no statistically reliable evidence for such a differential efficiency was obtained in the present study.…”