Intersensory Perception Overview

Principles

Definition

Intersensory perception is an academic concept and research area investigating how information from different sensory modalities is combined and integrated to create a unified perceptual experience. This field examines the dynamic interactions and cross-modal influences between senses, highlighting the significance of multisensory processing for understanding perception and cognition.

Ontological type

Neural Mechanisms

Cross-Modal Interactions

Developmental Trajectory

Key developments

Key Figures

Foundations of Intersensory Binding era

Barry E. Stein [1], during this era, contributed across Rockefeller University [3] and the University of California, San Francisco [4] to establish multisensory research within developmental science. His key contributions include co-authoring 'The merging of the senses' [7] (1994) and 'Spatial determinants of multisensory integration in cat superior colliculus neurons' [8] (1996), which reframed perception as inherently multisensory and linked early behavioral signatures to distributed neural activity, guiding the era's foundational understanding of intersensory binding. M. Alex Meredith [2], affiliated with Virginia Commonwealth University [5] and the University of Alabama [6], contributed prominently to modeling multisensory circuits during this period. Meredith [2] and her work on 'The merging of the senses' [7] and 'Spatial determinants of multisensory integration in cat superior colliculus neurons' [8] helped articulate how amodal properties and spatial alignment govern multisensory integration in neural circuits, reinforcing the era’s view of perception as social and multisensory.

Cross-modal Inference era

Lorraine E. Bahrick [1] is a prominent figure associated with Florida International University [3]. Her key contribution from this era is the 2007 paper The development of infant discrimination of affect in multimodal and unimodal stimulation: The role of intersensory redundancy [5], which shows that intersensory redundancy supports early multisensory binding of affective cues in infancy. Ross Flom [2] is associated with Brigham Young University [4]. His contribution, as demonstrated by the same 2007 paper The development of infant discrimination of affect in multimodal and unimodal stimulation: The role of intersensory redundancy [5], demonstrates how infants use intersensory redundancy to resolve multisensory affective cues, underscoring early cross-modal inference and the probabilistic weighting of sensory signals in this era.

Contextual Probabilistic Integration era

Bruno Rossion[1] was active in the Contextual Probabilistic Integration era (2012–2021), with affiliations at Maastricht University[3] and KU Leuven[4]. His key contributions in this era include the analysis of holistic face perception through The composite face illusion: A whole window into our understanding of holistic face perception[7], illustrating how context-sensitive perceptual grouping grounds cross-modal expectations in perception. Gudrun Schwarzer[2] contributed to early multisensory development research, with affiliations at Justus-Liebig-Universität Gießen[5] and Giessen School of Theology[6]. Her work spans Crawling is Associated with Mental Rotation Ability by 9-Month-Old Infants[8], Cross-Modal Matching of Audio-Visual German and French Fluent Speech in Infancy[9], and Face-scanning behavior to silently-talking faces in 12-month-old infants: The impact of pre-exposed auditory speech[10], collectively illustrating how early cross-modal cues shape perception and support rapid, context-sensitive recalibration in infancy.