Search results

• 2012

  Preliminary report of biological basis of sensitivity to the effects of cannabis on psychosis: AKT1 and DAT1 genotype modulates the effects of δ-9-tetrahydrocannabinol on midbrain and striatal function

  Bhattacharyya, S., Atakan, Z., Martin-Santos, R., Crippa, J. A., Kambeitz, J., Prata, D., Williams, S., Brammer, M., Collier, D. A. & McGuire, P. K., Dec 2012, In: Molecular Psychiatry. 17, 12, p. 1152-1155 4 p.

  Research output: Contribution to journal › Article › peer-review
  109 Citations (Scopus)

• Substance use and regional gray matter volume in individuals at high risk of psychosis

  Stone, J., Bhattacharyya, S., Barker, G. J., McGuire, P. K. & Bhattacharyya, S., Feb 2012, In: European Neuropsychopharmacology. 22, 2, p. 114-122 9 p.

  Research output: Contribution to journal › Article › peer-review

  File

  • Substance Abuse 100%
  • Gray Matter Volume 100%
  • Cannabis 57%
  • Gray Matter 28%
  • Cerebellum 14%
  18 Citations (Scopus)

  338 Downloads (Pure)
• 2011

  Altered Medial Temporal Activation Related to Local Glutamate Levels in Subjects with Prodromal Signs of Psychosis

  Valli, I., Stone, J., Mechelli, A., Bhattacharyya, S., Raffin, M., Allen, P., Fusar-Poli, P., Lythgoe, D., O'Gorman, R., Seal, M. & McGuire, P., 1 Jan 2011, In: Biological psychiatry. 69, 1, p. 97 - 99 3 p.

  Research output: Contribution to journal › Article › peer-review

  • Glutamic Acid 100%
  • Episodic Memory 28%
  • Nuclear Magnetic Resonance Spectroscopy 14%
  • Functional Magnetic Resonance Imaging 14%
  • Synaptic Transmission 14%
  54 Citations (Scopus)

• Disruption of Frontal Theta Coherence by Δ9-Tetrahydrocannabinol is Associated with Positive Psychotic Symptoms

  Morrison, P., Nottage, J., Stone, J. M., Bhattacharyya, S., Tunstall, N., Brenneisen, R., Holt, D., Wilson, D., Sumich, A., McGuire, P., Murray, R. M., Kapur, S. & Ffytche, D. H., Mar 2011, In: Neuropsychopharmacology. 36, 4, p. 827-836 10 p.

  Research output: Contribution to journal › Article › peer-review

  • Tetrahydrocannabinol 100%
  • Working Memory 100%
  • Placebo 28%
  • Memory Impairment 25%
  • Cannabis 14%
  77 Citations (Scopus)

• Effects of cannabidiol and delta-9-tetrahydrocannabinol during visual oddball salience processing: implications for psychosis and its treatment

  Bhattacharyya, S., Crippa, J. A., Allen, P., Martin-Santos, R., Borgwardt, S., Fusar-Poli, P., Kambeitz, J., Brammer, M. J., Giampietro, V., Seal, M. L., Zuardi, A., Atakan, Z., Rubia, K. & McGuire, P., 2011, In: Schizophrenia Bulletin. 37, p. 131 - 131 1 p.

  Research output: Contribution to journal › Meeting abstract

• Genetic modulation of the acute psychological effects of cannabis in man

  Bhattacharyya, S., Kambeitz, J., Prata, D., Atakan, Z., Malhi, S., Allen, P., Martin-Santos, R., Nosarti, C., Surguladze, S., Seal, M. L., Fusar-Poli, P., Borgwardt, S., Crippa, J. A., Collier, D. & McGuire, P., 2011, In: Schizophrenia Bulletin. 37, p. 81 - 81 1 p.

  Research output: Contribution to journal › Meeting abstract

• Marijuana and madness

  Castle, D. J. (Editor), Murray, R. M. (Editor), D'Souza, D. C. (Editor) & Bhattacharyya, S., Dec 2011, 2nd ed. ed. Cambridge: Cambridge University Press. 240 p.

  Research output: Book/Report › Book

  5 Citations (Scopus)

• Modulation of Auditory and Visual Processing by Delta-9-Tetrahydrocannabinol and Cannabidiol: an fMRI Study

  Winton-Brown, T. T., Allen, P., Bhattacharyya, S., Borgwardt, S. J., Fusar-Poli, P., Crippa, J. A., Seal, M. L., Martin-Santos, R., Ffytche, D., Zuardi, A. W., Atakan, Z. & McGuire, P. K., Jun 2011, In: Neuropsychopharmacology : official publication of the American College of Neuropsychopharmacology. 36, 7, p. 1340 - 1348 9 p.

  Research output: Contribution to journal › Article › peer-review

  • Functional Magnetic Resonance Imaging 100%
  • Cannabidiol 100%
  • Tetrahydrocannabinol 100%
  • Temporal Lobe 25%
  • Placebo 25%
  118 Citations (Scopus)

• Neural basis of anxiolytic effects of cannabidiol (CBD) in generalized social anxiety disorder: a preliminary report

  Crippa, J. A. S., Derenusson, G. N., Ferrari, T. B., Wichert-Ana, L., Duran, F. L. S., Martin-Santos, R., Simoes, M. V., Bhattacharyya, S., Fusar-Poli, P., Atakan, Z., Filho, A. S., Freitas-Ferrari, M. C., McGuire, P. K., Zuardi, A. W., Busatto, G. F. & Cecilio Hallak, J. E., Jan 2011, In: Journal of Psychopharmacology. 25, 1, p. 121 - 130 10 p.

  Research output: Contribution to journal › Article › peer-review

  • Social Anxiety Disorder 100%
  • Cannabidiol 100%
  • Placebo 40%
  • Functional Neuroimaging 20%
  • Gyri 20%
  420 Citations (Scopus)

• Presynaptic Dopamine Dysfunction in People with Prodromal Signs of Schizophrenia: Confirmation in a Second Cohort

  Egerton, A., Chaddock, C. A., Winton-Brown, T. T., Bhattacharyya, S., Bloomfield, M. A., McGuire, P. K. & Howes, O. D., 2011, In: Biological psychiatry. 69, 9, p. 157S - 157S

  Research output: Contribution to journal › Meeting abstract

• Substance use and regional grey matter volume in individuals at high risk of psychosis

  Stone, J. M., Bhattacharyya, S., Barker, G. & McGuire, P. K., 2011, In: European Neuropsychopharmacology. 21, p. S63 - S64

  Research output: Contribution to journal › Meeting abstract

• The neural basis for the acute effects of cannabis on learning and psychosis

  Bhattacharyya, S. & McGuire, P., 1 Jan 2011, Marijuana and Madness: Second Edition. Cambridge University Press, p. 160-168 9 p.

  Research output: Chapter in Book/Report/Conference proceeding › Chapter › peer-review

  • Cannabis 100%
  • Tetrahydrocannabinol 25%
  • Placebo 12%
  4 Citations (Scopus)
• 2010

  ALTERED MEDIAL TEMPORAL ACTIVATION RELATED TO LOCAL GLUTAMATE IN SUBJECTS WITH PRODROMAL SIGNS OF PSYCHOSIS

  Valli, I., Stone, J. M., Mechelli, A., Bhattacharyya, S., Raffin, M., Fusar-Poli, P., Allen, P., Seal, M. L. & McGuire, P. K., 2010, In: Schizophrenia Research. 117, 2-3, p. 533 - 533 1 p.

  Research output: Contribution to journal › Meeting abstract

• Delta-9-Tetrahydrocannabinol Disruption of Time Perception and of Self-Timed Actions

  Stone, J., Morrison, P. D., Nottage, J., Bhattacharyya, S., Feilding, A. & Mcguire, P. K., Aug 2010, In: Pharmacopsychiatry. 43, 6, p. 236-237 2 p.

  Research output: Contribution to journal › Article › peer-review

  File
  11 Citations (Scopus)

  299 Downloads (Pure)

• Effect of image analysis software on neurofunctional activation during processing of emotional human faces

  Fusar-Poli, P., Bhattacharyya, S., Allen, P., Crippa, J. A., Borgwardt, S., Martin-Santos, R., Seal, M., O'Carroll, C., Atakan, Z., Zuardi, A. W. & McGuire, P., Mar 2010, In: JOURNAL OF CLINICAL NEUROSCIENCE. 17, 3, p. 311 - 314 4 p.

  Research output: Contribution to journal › Article › peer-review

  • Functional Magnetic Resonance Imaging 100%
  • Face 100%
  • Statistical Parametric Mapping 75%
  • Brain Imaging 50%
  • In Vivo 25%
  21 Citations (Scopus)

• Modulation of effective connectivity during emotional processing by Δ9-tetrahydrocannabinol and cannabidiol

  Fusar-Poli, P., Allen, P., Bhattacharyya, S., Crippa, J. A., Mechelli, A., Borgwardt, S., Martin-Santos, R., Seal, M. L., O'Carrol, C., Atakan, Z., Zuardi, A. W. & McGuire, P., May 2010, In: International Journal of Neuropsychopharmacology . 13, 4, p. 421-432 12 p.

  Research output: Contribution to journal › Article › peer-review

  • Cannabidiol 100%
  • Tetrahydrocannabinol 100%
  • Amygdala 50%
  • Face 50%
  • Placebo 50%
  132 Citations (Scopus)

• Neuroimaging in cannabis use: a systematic review of the literature

  Martin-Santos, R., Fagundo, A. B., Crippa, J. A., Atakan, Z., Bhattacharyya, S., Allen, P., Fusar-Poli, P., Borgwardt, S., Seal, M., Busatto, G. F. & McGuire, P., Mar 2010, In: Psychological Medicine. 40, 3, p. 383 - 398 16 p.

  Research output: Contribution to journal › Literature review › peer-review

  • Magnetic Resonance Imaging 100%
  • Systematic Review 100%
  • Neuroimaging 100%
  • Cannabis 100%
  • Functional Magnetic Resonance Imaging 66%
  178 Citations (Scopus)

• Opposite Effects of Δ-9-Tetrahydrocannabinol and Cannabidiol on Human Brain Function and Psychopathology

  Bhattacharyya, S., Morrison, P. D., Fusar-Poli, P., Martin-Santos, R., Borgwardt, S., Winton-Brown, T., Nosarti, C., O' Carroll, C. M., Seal, M., Allen, P., Mehta, M. A., Stone, J. M., Tunstall, N., Giampietro, V., Kapur, S., Murray, R. M., Zuardi, A. W., Crippa, J. A., Atakan, Z. & McGuire, P. K., Feb 2010, In: Neuropsychopharmacology. 35, 3, p. 764-774 11 p.

  Research output: Contribution to journal › Article › peer-review

  • Brain Function 100%
  • Cannabidiol 100%
  • Tetrahydrocannabinol 100%
  • Placebo 30%
  • Behavioral Effect 20%
  602 Citations (Scopus)

• Substance use and regional grey matter volume in individuals at high risk of psychosis

  Stone, J. M., Bhattacharyya, S., Barker, G. J. & McGuire, P. K., 2010, In: Journal of Psychopharmacology. 24, p. A58 - A58

  Research output: Contribution to journal › Meeting abstract

• Why does cannabis effect people differently? Comparing those with temporary psychotic symptoms vs. those with no psychotic symptoms following the oral administration of delta-9-tetrahydrocannabinol - a functional mri study

  Atakan, Z., Bhattacharyya, S., Allen, P., Borgwardt, S., Fusar-Poli, P., Martin-Santos, R., Crippa, J. A., Seal, M., Zuardi, A. W. & McGuire, P., 2010, In: Schizophrenia Research. 117, 2-3, p. 233-233 1 p.

  Research output: Contribution to journal › Meeting abstract
• 2009

  Anti-Brain Autoantibodies and Altered Excitatory Neurotransmitters in Obsessive-Compulsive Disorder

  Bhattacharyya, S., Khanna, S., Chakrabarty, K., Mahadevan, A., Christopher, R. & Shankar, S. K., Nov 2009, In: Neuropsychopharmacology. 34, 12, p. 2489-2496 8 p.

  Research output: Contribution to journal › Article › peer-review

  • Neurotransmitter 100%
  • Obsessive-Compulsive Disorder 100%
  • Autoantibody 100%
  • Autoantibodies 100%
  • Basal Ganglion 85%
  145 Citations (Scopus)

• Cannabis and anxiety: a critical review of the evidence

  Crippa, J. A., Zuardi, A. W., Martin-Santos, R., Bhattacharyya, S., Atakan, Z., McGuire, P. & Fusar-Poli, P., Oct 2009, In: Human Psychopharmacology : Clinical and Experimental. 24, 7, p. 515-523 9 p.

  Research output: Contribution to journal › Literature review › peer-review

  • Critical Review 100%
  • Anxiety Disorder 100%
  • Cannabis 100%
  • Medline 50%
  • Panic Disorder 50%
  401 Citations (Scopus)

• Catechol-O-Methyltransferase (comt) gene modulates the neural basis for the acute effects of cannabis on learning and psychosis

  Bhattacharyya, S., Prata, D., Fusar-Poli, P., Borgwardt, S., Martin-Santos, R., Allen, P., Malhi, S., Atakan, Z., Collier, D. & McGuire, P. K., 2009, In: Schizophrenia Bulletin. 35, p. 185 -186 2 p.

  Research output: Contribution to journal › Meeting abstract

• Distinct Effects of Δ9-Tetrahydrocannabinol and Cannabidiol on Neural Activation During Emotional Processing

  Fusar-Poli, P., Crippa, J. A., Bhattacharyya, S., Borgwardt, S. J., Allen, P., Martin-Santos, R., Seal, M., Surguladze, S. A., O'Carrol, C., Atakan, Z., Zuardi, A. W. & McGuire, P. K., Jan 2009, In: JAMA Psychiatry. 66, 1, p. 95-105 11 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  • Cannabidiol 100%
  • Tetrahydrocannabinol 100%
  • Face 50%
  • Electrodermal Response 50%
  • Cannabis 25%
  411 Citations (Scopus)

• Glutamate Dysfunction in People with Prodromal Symptoms of Psychosis: Relationship to Gray Matter Volume

  Stone, J. M., Day, F., Tsagaraki, H., Valli, I., McLean, M. A., Lythgoe, D. J., O'Gorman, R. L., Barker, G. J., McGuire, P. K. & OASIS, 15 Sept 2009, In: Biological psychiatry. 66, 6, p. 533 - 539 7 p.

  Research output: Contribution to journal › Article › peer-review

  File

  • Gray Matter Volume 100%
  • Glutamic Acid 100%
  • Glutamine 22%
  • Thalamus 22%
  • Magnetic Resonance Imaging 11%
  204 Citations (Scopus)

  680 Downloads (Pure)

• Imaging the Neural Effects of Cannabinoids: Current Status and Future Opportunities for Psychopharmacology

  Bhattacharyya, S., Crippa, J. A., Martin-Santos, R., Winton-Brown, T. & Fusar-Poli, P., Aug 2009, In: Current Pharmaceutical Design. 15, 22, p. 2603-2614 12 p.

  Research output: Contribution to journal › Literature review › peer-review

  • Psychotic Disorder 100%
  • Psychopharmacology 100%
  • Neuroimaging 100%
  • Cannabinoid 100%
  • Human Brain 66%
  49 Citations (Scopus)

• Modulation of Mediotemporal and Ventrostriatal Function in Humans by Δ9-Tetrahydrocannabinol: A Neural Basis for the Effects of Cannabis sativa on Learning and Psychosis

  Bhattacharyya, S., Fusar-Poli, P., Borgwardt, S., Martin-Santos, R., Nosarti, C., O'Carroll, C., Allen, P., Seal, M. L., Fletcher, P. C., Crippa, J. A., Giampietro, V., Mechelli, A., Atakan, Z. & McGuire, P., Apr 2009, In: Archives of General Psychiatry. 66, 4, p. 442-451 10 p., N/A.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  • Dronabinol 100%
  • Effects of Cannabis 100%
  • Tetrahydrocannabinol 100%
  • Cannabis Sativa 100%
  • Verbal Learning 83%
  226 Citations (Scopus)

• Opposite neural effects of the main psychoactive ingredients of cannabis on the neural substrate for psychosis

  Bhattacharyya, S., Fusar-Poli, P., Borgwardt, S., Martin-Santos, R., Crippa, J. A., Atakan, Z., Carroll, C. O., Allen, P., Nosarti, C. & McGuire, P. K., 2009, In: Schizophrenia Bulletin. 35, p. 163-163 1 p.

  Research output: Contribution to journal › Meeting abstract
• 2008

  Neural Basis of Δ-9-Tetrahydrocannabinol and Cannabidiol: Effects During Response Inhibition

  Borgwardt, S. J., Allen, P., Bhattacharyya, S., Fusar-Poli, P., Crippa, J. A., Seal, M. L., Fraccaro, V., Atakan, Z., Martin-Santos, R., O'Carroll, C., Rubia, K. & McGuire, P. K., 1 Dec 2008, In: Biological psychiatry. 64, 11, p. 966 - 973 8 p.

  Research output: Contribution to journal › Article › peer-review

  • Cannabidiol 100%
  • Tetrahydrocannabinol 100%
  • Response Inhibition 100%
  • Placebo 60%
  • Functional Magnetic Resonance Imaging 33%
  170 Citations (Scopus)
• 2007

  Glutamatergic dysfunction--newer targets for anti-obsessional drugs

  Bhattacharyya, S. & Chakraborty, K., 2007, In: Recent patents on CNS drug discovery. 2, 1, p. 47-55 9 p.

  Research output: Contribution to journal › Article › peer-review

  • Obsessive Compulsive Disorder 100%
  • Pharmacotherapy 25%
  • Serotonin Reuptake Inhibitor 25%
  • Pathophysiology 25%
  • Glutamic Acid 25%
  33 Citations (Scopus)

• Immunology of OCD

  Bhattacharyya, S., 2007, Obsessive Compulsive Disorder- Current understanding and future directions. Janardhan Reddy, Y. C. & Srinath, S. (eds.). Bangalore, India: National Institute of Mental Health & Neurosciences, p. 111-135 25 p.

  Research output: Chapter in Book/Report/Conference proceeding › Chapter
• 2006

  Anti-depressive therapies after heart transplantation

  Fusar-Poli, P., Picchioni, M., Martinelli, V., Bhattacharyya, S., Cortesi, M., Barale, F. & Politi, P., Jul 2006, In: Journal of Heart and Lung Transplantation. 25, 7, p. 785-793 9 p., N/A.

  Research output: Contribution to journal › Literature review › peer-review

  • Heart Transplantation 100%
  • Antidepressant 100%
  • Selective Serotonin Reuptake Inhibitor 100%
  • Heart Graft 66%
  • Hypericum perforatum 50%
  35 Citations (Scopus)
• 2005

  A family genetic study of clinical subtypes of obsessive-compulsive disorder

  Bhattacharyya, S., Prasanna, C. L. N., Khanna, S., Janardhan Reddy, Y. C. & Sheshadri, S., 2005, In: Psychiatric Genetics. 15, 3, p. 175-180 6 p.

  Research output: Contribution to journal › Article › peer-review

  • Obsessive-Compulsive Disorder 100%
  • Genetics 100%
  12 Citations (Scopus)

• Depressive and anxiety disorder comorbidity in obsessive compulsive disorder

  Bhattacharyya, S., Reddy, Y. C. J. & Khanna, S., 2005, In: Psychopathology. 38, 6, p. 315-319 5 p.

  Research output: Contribution to journal › Article › peer-review

  • Obsessive Compulsive Disorder 100%
  • Anxiety Disorder 100%
  • Depressive Disorder 100%
  • Comorbidity 100%
  • Obsessive-Compulsive Disorder 100%
  15 Citations (Scopus)

• Glutamatergic dysfunction in OCD

  Chakrabarty, K., Bhattacharyya, S., Christopher, R. & Khanna, S., 2005, In: Neuropsychopharmacology. 30, 9, p. 1735-1740 6 p.

  Research output: Contribution to journal › Article › peer-review

  • Glutamatergic 100%
  • Glutamic Acid 100%
  • Proband 25%
  • Psychoactive Drug 25%
  • Closed Head Injury 25%
  302 Citations (Scopus)
• 2004

  Late onset OCD

  Bhattacharyya, S. & Khanna, S., 2004, In: Australian and New Zealand Journal of Psychiatry. 38, 6, p. 477-478 2 p.

  Research output: Contribution to journal › Article › peer-review
  16 Citations (Scopus)
• 2003

  Early-onset obsessive-compulsive disorder

  Bhattacharyya, S., Girishchandra, B. G. & Khanna, S., Jun 2003, In: Canadian Journal of Psychiatry. 48, 5, p. 352-353 2 p.

  Research output: Contribution to journal › Letter › peer-review
• 2001

  Metamorphosis of delusion of pregnancy

  Bhattacharyya, S. & Chaturvedi, S. K., 2001, In: Canadian Journal of Psychiatry. 46, 6, p. 561-562 2 p.

  Research output: Contribution to journal › Letter › peer-review

  10 Citations (Scopus)