Abnormalities in basic sensory perception are frequently found in individuals with
schizophrenia. However, the literature on basic sensory perception in the clinical high-risk and firstepisode
psychosis populations has been less extensive. This article summarizes research on sensory
perception in clinical high-risk and first-episode psychosis for the auditory, visual, olfactory, and bodycentered
senses. It then highlights the uncertainty of whether sensory perception abnormalities and
psychotic symptoms are concurrent results of disruption in normal brain development, or whether
abnormal basic sensory experiences play a causal role in the development of psychotic symptoms.
Finally, potential directions for future research are discussed.
Keywords: Sensory, perception, first-episode psychosis, high-risk, olfactory, auditory, visual, tactile.
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