A computational account of the development and evolution of psychotic symptoms

no code implementations • 16 Apr 2024 • Albert Powers, Philip Angelos, Alexandria Bond, Emily Farina, Carolyn Fredericks, Jay Gandhi, Maximillian Greenwald, Gabriela Hernandez-Busot, Gabriel Hosein, Megan Kelley, Catalina Mourgues, William Palmer, Julia Rodriguez-Sanchez, Rashina Seabury, Silmilly Toribio, Raina Vin, Jeremy Weleff, David Benrimoh

We propose a model for understanding the emergence of psychotic symptoms within the context of an adaptive, developing neural system.

Hallucination

Evidence for Reduced Sensory Precision and Increased Reliance on Priors in Hallucination-Prone Individuals in a General Population Sample

no code implementations • 24 Jun 2023 • David Benrimoh, Victoria L. Fisher, Rashina Seabury, Ely Sibarium, Catalina Mourgues, Doris Chen, Albert Powers

Replicating past results, higher CH rates were associated with measures of higher hallucination-proneness and recent hallucinatory experiences; CH rates were positively correlated with increased prior weighting; and increased prior weighting was related to recent hallucinatory experiences.

Hallucination

Barriers and Solutions to the Adoption of Clinical Tools for Computational Psychiatry

no code implementations • 9 Dec 2022 • David Benrimoh, Victoria Fisher, Catalina Mourgues, Andrew D. Sheldon, Ryan Smith, Albert R. Powers

Computational psychiatry is a field aimed at developing formal models of information processing in the human brain, and how alterations in this processing can lead to clinical phenomena.

valid