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Sagnik Bhattacharyya

university of london

59H-index
283Paper Count
1.2WCitation Count
Published Papers 148
Publication Date
A single dose of cannabidiol modulates the relationship between hippocampal glutamate and learning-related prefrontal activation in individuals at Clinical High Risk of Psychosis
err2025-12-01
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PREAI
errShi, Yiling; Davies, Cathy; Wilson, Robin; Appiah-Kusi, Elizabeth; Lythgoe, David J.; Modinos, Gemma; Bhattacharyya, Sagnik
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Sativex (nabiximols) for the treatment of Agitation & Aggression in Alzheimer's dementia in UK nursing homes: a randomised, double-blind, placebo-controlled feasibility trial
err2025-06-01
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errOAAI
errAlbertyn, Christopher P.; Guu, Ta-Wei; Chu, Petrina; Creese, Byron; Young, Allan; Velayudhan, Latha; Bhattacharyya, Sagnik; Jafari, Hassan; Kaur, Simrat; Kandangwa, Pooja; Carter, Ben; Aarsland, Dag
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Aprosopsia: a novel metamorphopsia variant occurring in Parkinson's disease psychosis
err2025-03-19
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PREAI
errReddy, Anish Bandalore Satheesha; Pisani, Sara; Kuruppu, Sajini; Bhattacharyya, Sagnik; Ffytche, Dominic H.
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Adverse events caused by cannabinoids in middle aged and older adults for all indications: a meta-analysis of incidence rate difference
err2024-11-27
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errOAAI
errVelayudhan, Latha; Pisani, Sara; Dugonjic, Marta; Mcgoohan, Katie; Bhattacharyya, Sagnik
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Functional and connectivity correlates associated with Parkinson's disease psychosis: a systematic review
err2024-11-06
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errOAAI
errPisani, Sara; Gunasekera, Brandon; Lu, Yining; Vignando, Miriam; Ffytche, Dominic; Aarsland, Dag; Chaudhuri, K. R.; Ballard, Clive; Lee, Jee-Young; Kim, Yu Kyeong; Velayudhan, Latha; Bhattacharyya, Sagnik
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Effects of cannabidiol on symptoms in people at clinical high risk for psychosis
err2024-09-16
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errOAAI
errBhattacharyya, Sagnik; Appiah-Kusi, Elizabeth; Wilson, Robin; O'Neill, Aisling; Brammer, Michael; Williams, Steven; Perez, Jesus; Bossong, Matthijs G.; McGuire, Philip
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A systematic evidence map of the association between cannabis use and psychosis-related outcomes across the psychosis continuum: An umbrella review of systematic reviews and meta-analyses
err2024-01-01
err4
errOAAI
errGroening, Johanna Manja; Denton, Emma; Parvaiz, Rimsha; Brunet, David Losada; Von Daniken, Aisha; Shi, Yiling; Bhattacharyya, Sagnik
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Risk of psychosis in autism spectrum disorder individuals exposed to psychosocial stressors: A 9-year chart review study
err2023-11-06
err4
errOAAI
errBortoletto, Riccardo; Bassani, Lorenzo; Garzitto, Marco; Lamberti, Marco; Simonati, Alessandro; Darra, Francesca; Bhattacharyya, Sagnik; Comacchio, Carla; Balestrieri, Matteo; Arcangeli, Donatella; Colizzi, Marco
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Increased hippocampal blood flow in people at clinical high risk for psychosis and effects of cannabidiol
err2023-10-17
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errOAAI
errDavies, Cathy; Bossong, Matthijs G.; Martins, Daniel; Wilson, Robin; Appiah-Kusi, Elizabeth; Blest-Hopley, Grace; Zelaya, Fernando; Allen, Paul; Brammer, Michael; Perez, Jesus; Mcguire, Philip; Bhattacharyya, Sagnik
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Cognitive and executive impairments in Parkinson's disease psychosis: a Bayesian meta-analysis
err2023-07-19
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errOAAI
errPisani, Sara; Gosse, Luca; Wieretilo, Rita; Ffytche, Dominic; Velayudhan, Latha; Bhattacharyya, Sagnik
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Questioning the role of palmitoylethanolamide in psychosis: a systematic review of clinical and preclinical evidence
err2023-07-18
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errOAAI
errBortoletto, Riccardo; Piscitelli, Fabiana; Candolo, Anna; Bhattacharyya, Sagnik; Balestrieri, Matteo; Colizzi, Marco
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A Comparison of Cognitive Performance in Patients With Parkinson's Disease Psychosis According to Psychosis Severity: A Meta-Analysis
err2023-07-07
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errOAAI
errGosse, Luca; Pisani, Sara; Velayudhan, Latha; Ffytche, Dominic; Bhattacharyya, Sagnik
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Grey matter volume loss in Parkinson's disease psychosis and its relationship with serotonergic gene expression: A meta-analysis
err2023-04-01
err6
errOAAI
errPisani, Sara; Gunasekera, Brandon; Lu, Yining; Vignando, Miriam; Ffytche, Dominic; Aarsland, Dag; Chaudhuri, K. Ray; Ballard, Clive; Lee, Jee-Young; Kim, Yu Kyeong; Velayudhan, Latha; Bhattacharyya, Sagnik
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Association between stressful life events and psychosis relapse: a 2-year prospective study in first-episode psychosis
err2023-01-14
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errOAAI
errColizzi, Marco; Cullen, Alexis E. E.; Martland, Natasha; Di Forti, Marta; Murray, Robin; Schoeler, Tabea; Bhattacharyya, Sagnik
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Attenuated transcriptional response to pro-inflammatory cytokines in schizophrenia hiPSC-derived neural progenitor cells
err2022-10-01
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errOAAI
errBhat, Anjali; Irizar, Haritz; Couch, Amalie C. M.; Raval, Pooja; Duarte, Rodrigo R. R.; Polit, Lucia Dutan; Hanger, Bjorn; Powell, Timothy; Deans, P. J. Michael; Shum, Carole; Nagy, Roland; McAlonan, Grainne; Iyegbe, Conrad O.; Price, Jack; Bramon, Elvira; Bhattacharyya, Sagnik; Vernon, Anthony C.; Srivastava, Deepak P.
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Task-independent acute effects of delta-9-tetrahydrocannabinol on human brain function and its relationship with cannabinoid receptor gene expression: A neuroimaging meta-regression analysis
err2022-09-01
err4
errOAAI
errGunasekera, Brandon; Davies, Cathy; Blest-Hopley, Grace; Veronese, Mattia; Ramsey, Nick F.; Bossong, Matthijs G.; Radua, Joaquim; Bhattacharyya, Sagnik
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Cannabidiol attenuates insular activity during motivational salience processing in patients with early psychosis
err2022-07-01
err5
PREAI
errGunasekera, Brandon; Wilson, Robin; O'Neill, Aisling; Blest-Hopley, Grace; O'Daly, Owen; Bhattacharyya, Sagnik
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