Interhemispheric communication of abstract and specific visual-form information

Marsolek, Chad J.; Nicholas, Christopher D.; Andresen, David R.

doi:10.1016/s0028-3932(02)00065-9

Cited by 27 publications

(13 citation statements)

References 32 publications

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“…One account that is largely compatible with the present data set is the callosal degradation account (Marsolek, Nicholas, & Andresen, 2002). According to this account, the UFA results from the degradation of information that is transmitted across the corpus callosum.…”

Section: Resultssupporting

confidence: 75%

The unilateral field advantage in repetition detection: Effects of perceptual grouping and task demands

Hayes

Swallow

Jiang

2010

Attention, Perception, & Psychophysics

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Section: Resultssupporting

confidence: 75%

The unilateral field advantage in repetition detection: Effects of perceptual grouping and task demands

Hayes

Swallow

Jiang

2010

Attention, Perception, & Psychophysics

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“…This type of dissociation of abstract and specific subsystems has been observed using familiar objects (see, e.g., Burgund & Marsolek, 2000;Marsolek, 1999), letter forms (Marsolek, Nicholas, & Andresen, 2002), letter-like forms (Marsolek, 1995), word forms (see, e.g., Deason & Marsolek, 2005;Marsolek, Kosslyn, & Squire, 1992), and pseudoword forms . In addition, these subsystems may differentially process high and low spatial frequency information ; their differential proficiencies in the left and right cerebral hemispheres depend on stimulus and task demands (Marsolek, 1999;Marsolek & Hudson, 1999); they are differentially affected by serotonin levels in the brain (Burgund, Marsolek, & Luciana, 2003); they can be selectively impaired following visual cortical damage (Beeri, Vakil, Adonsky, & Levenkron, 2004;Vaidya, Gabrieli, Verfaellie, Fleischman, & Askari, 1998); they are associated with different areas of activation in functional magnetic resonance imaging (Koutstaal et al, 2001); they rely on neurocomputationally contradictory processing strategies ; and they are associated with different event-related-potential components (Pickering & Schweinberger, 2003).…”

mentioning

confidence: 74%

Dissociable neural subsystems underlie visual working memory for abstract categories and specific exemplars

Marsolek

Burgund

2008

Cognitive, Affective, & Behavioral Neuroscience

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The nature of representations of visual objects remains a topic of debate. Some theories posit that such representations are relatively abstract, in that a common representation may be activated by multiple exemplars or by multiple views of the same object exemplar (see, e.g., Biederman, 1987;Biederman & Bar, 1999;E. E. Cooper, Biederman, & Hummel, 1992;Hayworth & Biederman, 2006;Hummel & Stankiewicz, 1996;Wagemans, Van Gool, & Lamote, 1996). Other theories p posit that object representations are relatively specific, in that different representations are activated by different exemplars or by different views of the same object exemp plar (see, e.g., Bülthoff & Edelman, 1992;Gauthier et al., 2002;Poggio & Edelman, 1990;Tarr, 1995;Tarr, Williams, Hayward, & Gauthier, 1998;Ullman, 1996). Alternatively, both abstract and specific representations may exist along different points on a continuum in a single, unified processing system (see, e.g., Farah, 1992;Hayward & Williams, 2000;Tarr & Bülthoff, 1995). Finally, abstract and specific object representations may exist in separate and dissociable neural subsystems, with an abstract subsystem operating effectively in the left hemisphere (LH) and a specific subsystem operating effectively in the right hemisphere (RH) (see, e.g., Burgund & Marsolek, 2000;Marsolek, 1995Marsolek, , 1999 Marsolek & g , , ) Burgund, 1997, 2003.The bulk of the evidence for the dissociable neural subr systems theory comes from experiments in which familiar shapes were used. This may be cause for concern, as Curby, Hayward, and Gauthier (2004) recently suggested, since abstract effects in the LH could reflect semantic processing of postvisual information that is associated with the visualshape information, rather than processing of (abstract) visual shapes only, as posited by the dissociable neural subsystems theory. A related concern is that abstract effects in the LH could reflect linguistic processing of names associated with the visual shapes, rather than processing of abstract visual-shape information. In addition, when objects are presented multiple times in an experiment, abstract ef-f f fects in the LH could reflect episodic memory for previous trials in the experiment. In this article, we report results that indicate, in line with the dissociable neural subsystems theory, that abstract processing of visual shapes in the LH does not require semantic, linguistic, or episodic information. Abstract processing of visual shapes can occur effecd tively in the LH when the stimuli are novel objects viewed for the first and only time.According to the dissociable neural subsystems theory, an abstract category subsystem and a specific exemplar subsystem operate relatively independently and in parallel. An abstract category subsystem encodes the visual category to p g(g , p p ) which an input stimulus belongs (e.g., pen vs. cup). It uses Rice University, Houston, TexasAn ongoing debate concerns whether visual object representations are relatively abstract, relatively specific, b both abstract an...

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“…If participants score more highly on one kind of item when stimulus presentations benefit left hemisphere processes, whereas they score more highly on another kind of item when stimulus presentations benefit right hemisphere processes, then one can conclude that the stimulus presentation manipulation (left or right visual field) causes different self descriptions attributable to at least weakly dissociable neural processes involved in the assessments (e.g., Marsolek & Burgund, 1997Marsolek, Nicholas, & Andresen, 2002). This kind of inference importantly supplements those typically made in neuroimaging experiments.…”

mentioning

confidence: 62%

Hemispheric Asymmetries in Motivation Neurally Dissociate Self-Description Processes

Broadwell¹,

DeYoung²,

Domansky³

et al. 2012

PsycEXTRA Dataset

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When people describe themselves by responding to personality questionnaires, typically they endorse some items and reject others. Further, most people endorse likable traits and reject unlikeable traits. In one case, people use previously stored information about themselves to judge that a particular trait-usually likable-describes them well, and in the other, they use previously stored information to judge that a particular trait-usually unlikeable-does not describe them well. Here we report evidence that these processes are neurally dissociable, with the former benefiting from engaging left-hemisphere processes and the latter benefiting from engaging righthemisphere processes. Hemispheric asymmetries in self-description are not unidirectional and do not differ across different personality traits, but do differ between endorsing likable items and rejecting unlikeable items. Thus, we are not dispassionate observers of ourselves. Dissociable, basic motivational processes are involved in the neural architecture underlying self-description.

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Interhemispheric communication of abstract and specific visual-form information

Cited by 27 publications

References 32 publications

The unilateral field advantage in repetition detection: Effects of perceptual grouping and task demands

The unilateral field advantage in repetition detection: Effects of perceptual grouping and task demands

Dissociable neural subsystems underlie visual working memory for abstract categories and specific exemplars

Hemispheric Asymmetries in Motivation Neurally Dissociate Self-Description Processes

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