Details

Autor(en) / Beteiligte

• Goldberg, Ilan I.
• Harel, Michal
• Malach, Rafael

Titel

When the Brain Loses Its Self: Prefrontal Inactivation during Sensorimotor Processing

Ist Teil von

• Neuron (Cambridge, Mass.), 2006-04, Vol.50 (2), p.329-339

Ort / Verlag

United States: Elsevier Inc

Erscheinungsjahr

2006

Link zum Volltext

Quelle

Access via ScienceDirect (Elsevier)

Beschreibungen/Notizen

• A common theme in theories of subjective awareness poses a self-related “observer” function, or a homunculus, as a critical element without which awareness can not emerge. Here, we examined this question using fMRI. In our study, we compared brain activity patterns produced by a demanding sensory categorization paradigm to those engaged during self-reflective introspection, using similar sensory stimuli. Our results show a complete segregation between the two patterns of activity. Furthermore, regions that showed enhanced activity during introspection underwent a robust inhibition during the demanding perceptual task. The results support the notion that self-related processes are not necessarily engaged during sensory perception and can be actually suppressed.