Glossary

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C-tactile Afferents(also: CT afferents, C-tactile fibres, CT fibres)

Unmyelinated, slow-conducting nerve fibres found in hairy skin that respond selectively to gentle, slow stroking touch at velocities of approximately 1-10 cm/s. C-tactile afferents are strongly associated with affective and social touch, activating neural pathways linked to…

Cerebral Visual Impairment(also: CVI, Cortical Visual Impairment)

Cerebral visual impairment (CVI) is an umbrella term for visual deficits resulting from damage to the brain rather than the eyes. It affects visual perception, including visual acuity, cortical image processing, and pattern recognition. CVI is often associated with additional…

Cocktail Party Effect

The human ability to focus auditory attention on a single speaker or sound source while filtering out competing voices and background noise. Named after the experience of following one conversation at a noisy party, this perceptual phenomenon demonstrates that the auditory…

Cortical Plasticity(also: Brain Plasticity, Neural Plasticity, Cortical Reorganization)

The brain's ability to reorganize its neural connections and functional organization in response to injury, learning, or environmental changes. In the context of disability and rehabilitation, cortical plasticity is the mechanism by which undamaged brain areas can assume…

Cross-Modal Transfer(also: Cross-Modal Perception, Sensory Substitution)

Cross-modal transfer refers to the ability to recognize or process information received through one sensory modality (such as touch or hearing) based on experience gained through a different modality (such as vision). In accessibility and assistive technology, cross-modal…

Cross-modal Plasticity(also: Cross-modal Reorganisation, Cross-modal Cortical Recruitment, Sensory Substitution)

A neurological phenomenon in which brain regions typically dedicated to processing one sensory modality are repurposed to process information from another sense, often as a result of sensory deprivation. In deaf individuals, auditory cortical areas can reorganise to support…

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