Self-touch facilitates the recognition of the dis-owned left hand in somatoparaphrenia: a single case study

Neurocase. 2024 Apr 22:1-8. doi: 10.1080/13554794.2024.2345405. Online ahead of print.ABSTRACTWe investigated whether self-administered tactile stimulation could act as a temporary restorative mechanism for body ownership disorders, both implicitly and explicitly. We tested this hypothesis in a patient with somatoparaphrenia, who displayed increased accuracy in explicitly recognizing their left hand during self-touch. Furthermore, the patient implicitly perceived their hand and the experimenter's hand as more belonging to their own body compared to conditions where vision was the sole sensory input. These findings highlight the importance of self-touch in maintaining a coherent body representation, while also demonstrating the potential dissociation between the recovery of explicit and implicit perceptions of body ownership.PMID:38650434 | DOI:10.1080/13554794.2024.2345405

Source: Neurocase - April 23, 2024 Category: Neurology Authors: Gerardo Salvato Damiano Crivelli Martina Gandola Gabriella Bottini Source Type: research