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D. Rudrauf

2 papers in the library · publishing 2019-2020

Papers

Modeling the subjective perspective of consciousness and its role in the control of behaviours

arXiv Preprint Archive December 23, 2020 D. Rudrauf, G. Sergeant-Perthuis, O. Belli et al.

Consciousness may function as a global workspace that integrates multimodal information, monitors expectations, and guides action. Using the Projective Consciousness Model, which draws on projective geometry, the authors operationalize subjective perspective and show how it can account for an inverse distance law linking appraisal and distance. They develop a generative model of affective and epistemic drives based on subjective parameters like apparent object size, and extend it to implement Theory of Mind consistent with simulation theory. Simulations of artificial agents, grounded in psychological rationale, demonstrate how varying model parameters produce adaptive and maladaptive behaviors relevant to clinical and developmental psychology, including resilience, joint attention, false-belief exploitation, social anxiety avoidance, and restricted interests in autism. Agent behaviors were also demonstrated in a robotic context.

Lesion network mapping demonstrates that mind‐wandering is associated with the default mode network

Journal of Neuroscience Research November 20, 2019 C. Philippi, J. Bruss, A. Boes et al.

Damage to specific brain networks, particularly the default mode network (DMN), reduces how often people report mind-wandering. In a study of 29 people with brain injuries and 19 healthy controls, mind-wandering frequency was measured with the Imaginal Processes Inventory. Lesion network mapping, which uses resting-state functional connectivity data from healthy brains to infer networks affected by each injury, showed that reduced mind-wandering was most strongly linked to damage in the left inferior parietal lobule within the DMN. Traditional lesion mapping also associated reduced mind-wandering with damage to several DMN regions including the medial prefrontal cortex, parietal lobule, and inferior frontal gyrus. These results support the DMN's role in spontaneous thought.