Stronger top-down and weaker bottom-up frontotemporal connections during sensory learning are associated with severity of psychotic phenomena

I Dzafic, KM Larsen, H Darke, H Pertile… - Schizophrenia …, 2021 - academic.oup.com
Recent theories in computational psychiatry propose that unusual perceptual experiences
and delusional beliefs may emerge as a consequence of aberrant inference and disruptions …

Statistical learning and inference is impaired in the nonclinical continuum of psychosis

I Dzafic, R Randeniya, CD Harris… - Journal of …, 2020 - Soc Neuroscience
Our perceptions result from the brain's ability to make inferences, or predictive models, of
sensory information. Recently, it has been proposed that psychotic traits may be linked to …

Anxiety and computations of uncertainty during reward-based learning in volatile environments

T Hein - 2021 - research.gold.ac.uk
Uncertainty plays a core mechanistic role in computational psychiatric accounts of clinical
disorders. This thesis tests the hypothesis that subclinical anxiety interferes with uncertainty …