of the mesencephalon. We propose that these hallucinations represent a bimodal variant of classic peduncular hal-lucinations, brought about by a deregulation of modulatory superior collicular activity and a release of cross-modal integrative functions of the superior temporal sulcus. Key Words: hallucinations, verbal

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attended to the visual properties of the objects. These findings suggest that the observation of manipulable objects facilitates cross-modal integration in peripersonal space.

of multimedia understanding. In this chapter we review research on the theory and applications of several multimedia analysis approaches that improve robustness and performance through cross-modal integration.

neurons in overt attentive and orientation behavior. These factors make it possible not only to obtain a reasonable sample with which to examine how single neurons synthesize cross-modal information during electrophysiological investigations, but also makes it possible to closely correlate findings from

the experiments. This cross-modal effect was independent of whether or not the subjects performed a demanding additional task. This suggests that integration of visual and auditory information about emotions may be a mandatory process, unconstrained by attentional resources.

of studying cross-modal interactions. This paradigm may also be useful for gaining insight into the processing stages of multi-sensory integration and their relationship with conscious awareness. Events in the physical environment have characteristic signatures that the human brain has evolved to perceive

In recent years, numerous studies have provided converging evidence that word meaning is partially stored in modality-specific cortical networks. However, little is known about the mechanisms supporting the integration of this distributed semantic content into coherent conceptual representations

. Our results demonstrate how elements of the cross-modal speech integration network differ in their sensitivity to physical reality versus perceptual experience. Key words: cross modal; audiovisual; multisensory; speech; binding; fMRI

Multimodal perception & experience Experience affects multimodal perception Sensory modalities can recalibrate each other (e.g., Bertelson et al., 2003;