NeuroSelfTickle · Neural mechanisms of self-tickle cancellation in humans

Линиите свързват координатора с партньорите.

Накратко на български

Цел на проекта

In perception, neural responses are never identical, even to the same sensory stimuli. This variability is particularly evident in the somatosensory domain: why does the same tactile input feel ticklish when applied by others but not by ourselves? The phenomenon of self-tickle cancellation has intrigued philosophers, biologists, and psychologists for centuries. Motor control theories propose that self-generated movements elicit top-down predictions in the cerebellum that suppress bottom-up tactile input in the somatosensory cortex. However, how these top-down and bottom-up signals interact in the somatosensory cortex – and particularly across its different layers – to cancel self-tickle is unclear.NeuroSelfTickle aims to unravel these complexities with advanced electroencephalography, psychophysical modelling and laminar magnetoencephalography. The project seeks to identify neural markers of tickle sensation, map layer-specific cortical activity in top-down and bottom-up signal integration, and apply these insights to understand the neurocognitive mechanisms of self-tickle cancellation.This interdisciplinary approach combines well-established motor control theories with cutting-edge neuroimaging techniques and state-of-the-art haptic robotics, allowing for highly controlled yet naturalistic self-touch stimulation. The findings are expected to provide fundamental insights into how self-generated predictions influence neural computations and enhance our understanding of brain disorders where self-tickle cancellation fails, such as schizophrenia and autism.NeuroSelfTickle will create a synergy between the applicant's expertise in somatosensory neural oscillations and excitability fluctuations, and the host lab's pioneering research on tickle perception and self-tickle cancellation. The Donders Institute, along with Dr. Kilteni's lab, will provide the necessary theoretical knowledge in sensorimotor control, as well as technical expertise and support in neuroimaging.

Оригинален текст от CORDIS (на английски).

Участници

• STICHTING RADBOUD UNIVERSITEIT · NijmegenКоординаторНидерландия

Връзки

• Виж в CORDIS
• DOI: 10.3030/101207511