Integration of information across sensory modalities is enhanced when stimuli in both modalities are in the same location. This "spatial rule" of multisensory integration has been primarily studied in humans by comparing stimuli located either in the same versus opposite side of the body midline or in peripersonal versus extrapersonal space, both of which involve large, categorical differences ...

Turner syndrome (TS), a genetic disorder characterized by the absence of an X chromosome in females, has been associated with cognitive and visuo-spatial processing impairments. We utilized functional MRI (fMRI) to investigate the neural substrates that underlie observed deficits in executive functioning and visuo-spatial processing. Eleven females with TS and 14 typically developing females (a...

In order to obtain a coherent representation of the outside world, auditory and visual information are integrated during human information processing. There is remarkable variance among observers in the capability to integrate auditory and visual information. Here, we propose that visuo-perceptual capabilities predict detection performance for audiovisually coinciding transients in multi-elemen...

Although there is consistent evidence for a deficit in the manipulation and internal representation of space and spatially located objects by the congenitally blind (e.g. Heller, 1989), explanations for this deficit are disputed. In this chapter, two accounts are examined for their ability to explain the experimental data, and recent data from a comparison of blind and sighted participants’ jud...

Tactile stimuli at the same location as a visual target can increase activity in the contralateral occipital cortex compared with spatially incongruent bimodal stimulation. Does this cross-modal congruency effect in the visual cortex depend on available cognitive resources? Visual attention and working memory can modulate responses to visual stimuli in the occipital cortex, with attenuation in ...

Mapping of the underlying neural mechanisms of visuo-spatial working memory (WM) has been shown to consistently elicit activity in right hemisphere dominant fronto-parietal networks. However to date, the bulk of neuroimaging literature has focused largely on the maintenance aspect of visuo-spatial WM, with a scarcity of research into the aspects of WM involving manipulation of information. Thus...

The human brain possesses a unique capacity to reason about abstract relationships among items in our environment. The neural organization of reasoning abilities has remained elusive. Two approaches toward investigating human reasoning have involved studying visuo-spatial reasoning abilities and studying analogical reasoning. These approaches have both revealed anterior prefrontal cortex (PFC) ...

We used the dual-task paradigm to infer how linguistic information is represented in the brain by indexing its susceptibility to retrieval interference. We measured recognition memory, in bilingual Chinese-English, and monolingual English speakers. Participants were visually presented with simplified Chinese characters under full attention, and later asked to recognize them while simultaneously...

A large body of neuropsychological evidence has been recently provided showing that humans can code visual objects in nearby space through multisensory visuo-tactile integrative processes, which share several similarities with the functional properties of bimodal neurons documented in neurophysiological studies. In particular, the phenomenon of visuo-tactile extinction reveals that crossmodal i...