The fragile brain: stress vulnerability, negative affect and GABAergic neurocircuits in psychosis

SF Taylor, TB Grove, VL Ellingrod… - Schizophrenia …, 2019 - academic.oup.com
Persons with schizophrenia exhibit sensitivity to stress and negative affect (NA), both
strongly correlated with poor functional outcome. This theoretical review suggests that NA …

Prefrontal cortical gamma-aminobutyric acid transmission and cognitive function: drawing links to schizophrenia from preclinical research

TT Maric, PT Piantadosi, SB Floresco - Biological psychiatry, 2015 - Elsevier
Cognitive dysfunction in schizophrenia is one of the most pervasive and debilitating aspects
of the disorder. Among the numerous neural abnormalities that may contribute to …

Adolescent THC exposure causes enduring prefrontal cortical disruption of GABAergic inhibition and dysregulation of sub-cortical dopamine function

J Renard, HJ Szkudlarek, CP Kramar, CEL Jobson… - Scientific reports, 2017 - nature.com
Chronic adolescent marijuana use has been linked to the later development of psychiatric
diseases such as schizophrenia. GABAergic hypofunction in the prefrontal cortex (PFC) is a …

Prefrontal cortical GABA modulation of spatial reference and working memory

ML Auger, SB Floresco - International Journal of …, 2015 - academic.oup.com
Background: Dysfunction in prefrontal cortex (PFC) GABA transmission has been proposed
to contribute to cognitive dysfunction in schizophrenia, yet how this system regulates …

Prefrontal cortical and nucleus accumbens contributions to discriminative conditioned suppression of reward-seeking

PT Piantadosi, DCM Yeates, SB Floresco - Learning & Memory, 2020 - learnmem.cshlp.org
Fear can potently inhibit ongoing behavior, including reward-seeking, yet the neural circuits
that underlie such suppression remain to be clarified. Prior studies have demonstrated that …

Cooperative and dissociable involvement of the nucleus accumbens core and shell in the promotion and inhibition of actions during active and inhibitory avoidance

PT Piantadosi, DCM Yeates, SB Floresco - Neuropharmacology, 2018 - Elsevier
The flexible implementation of active and passive strategies to avoid danger is critical to
survival. Conversely, the inappropriate allocation of these behaviors may underlie …

The lifetime impact of stress on fear regulation and cortical function

S Trask, MT Kuczajda, NC Ferrara - Neuropharmacology, 2023 - Elsevier
A variety of stressful experiences can influence the ability to form and subsequently inhibit
fear memory. While nonsocial stress can impact fear learning and memory throughout the …

Early neuromodulation prevents the development of brain and behavioral abnormalities in a rodent model of schizophrenia

R Hadar, L Bikovski, ML Soto-Montenegro… - Molecular …, 2018 - nature.com
The notion that schizophrenia is a neurodevelopmental disorder in which neuropathologies
evolve gradually over the developmental course indicates a potential therapeutic window …

THC and CBD produce divergent effects on perception and panic behaviours via distinct cortical molecular pathways

HJ Szkudlarek, M Rodríguez-Ruiz, R Hudson… - Progress in neuro …, 2021 - Elsevier
Clinical and pre-clinical evidence demonstrates divergent psychotropic effects of THC vs.
CBD. While THC can induce perceptual distortions and anxiogenic effects, CBD displays …

Perturbations in reward-related decision-making induced by reduced prefrontal cortical GABA transmission: relevance for psychiatric disorders

PT Piantadosi, S Khayambashi, MG Schluter… - …, 2016 - Elsevier
The prefrontal cortex (PFC) is critical for higher-order cognitive functions, including decision-
making. In psychiatric conditions such as schizophrenia, prefrontal dysfunction co-occurs …