Freeman, Tom P.

The contribution of cannabis use to variation in the incidence of psychotic disorder across Europe (EU-GEI): a multicentre case-control study

Di Forti, M., Quattrone, D., Freeman, T. P., Tripoli, G., Gayer-Anderson, C., Quigley, H., Rodriguez, V., Jongsma, H. E., Ferraro, L., La Cascia, C., et al. (2019) · The Lancet Psychiatry

Cannabis and Cannabinoid ResearchSchizophrenia research and treatment

Cited by 875

Impact of cannabidiol on the acute memory and psychotomimetic effects of smoked cannabis: naturalistic study

Morgan, C. J. A., Schafer, G., Freeman, T. P., & Curran, H. V. (2010) · British Journal of Psychiatry

Cannabis and Cannabinoid ResearchForensic Toxicology and Drug Analysis

Cited by 305

Association of High-Potency Cannabis Use With Mental Health and Substance Use in Adolescence

Hines, L. A., Freeman, T. P., Gage, S. H., Zammit, S., Hickman, M., Cannon, M., Munafo, M., MacLeod, J., & Heron, J. (2020) · JAMA Psychiatry

Cannabis and Cannabinoid ResearchSubstance Abuse Treatment and Outcomes

Cited by 208

Cannabidiol Attenuates the Appetitive Effects of Δ9-Tetrahydrocannabinol in Humans Smoking Their Chosen Cannabis

Morgan, C. J., Freeman, T. P., Schafer, G. L., & Curran, H. V. (2010) · Neuropsychopharmacology

Cannabis and Cannabinoid ResearchNeurotransmitter Receptor Influence on Behavior

Cited by 196

Sub-chronic impact of cannabinoids in street cannabis on cognition, psychotic-like symptoms and psychological well-being

Morgan, C. J. A., Gardener, C., Schafer, G., Swan, S., Demarchi, C., Freeman, T. P., Warrington, P., Rupasinghe, I., Ramoutar, A., Tan, N., et al. (2012) · Psychological Medicine

Cannabis and Cannabinoid ResearchForensic Toxicology and Drug Analysis

Cited by 195

Cannabis, cannabinoids and health: a review of evidence on risks and medical benefits

Hoch, E., Volkow, N. D., Friemel, C. M., Lorenzetti, V., Freeman, T. P., & Hall, W. (2025) · European Archives of Psychiatry and Clinical Neuroscience

Cannabis and Cannabinoid ResearchSmoking Behavior and Cessation

Cited by 139

Effects of increasing cannabis potency on adolescent health

Wilson, J., Freeman, T. P., & Mackie, C. J. (2019) · The Lancet Child & Adolescent Health

Cannabis and Cannabinoid ResearchSubstance Abuse Treatment and Outcomes

Cited by 113

The effects of psychosocial stress on dopaminergic function and the acute stress response

Bloomfield, M. A., McCutcheon, R. A., Kempton, M., Freeman, T. P., & Howes, O. (2019) · eLife

Neurotransmitter Receptor Influence on BehaviorStress Responses and Cortisol

Cited by 112

Long-Term Heavy Ketamine Use is Associated with Spatial Memory Impairment and Altered Hippocampal Activation

Morgan, C. J. A., Dodds, C. M., Furby, H., Pepper, F., Fam, J., Freeman, T. P., Hughes, E., Doeller, C., King, J., Howes, O., et al. (2014) · Frontiers in Psychiatry

Memory and Neural MechanismsAnesthesia and Neurotoxicity Research

Cited by 110

Cannabis and mental health: Prevalence of use and modes of cannabis administration by mental health status

Rup, J., Freeman, T. P., Perlman, C., & Hammond, D. (2021) · Addictive Behaviors

Cannabis and Cannabinoid ResearchSubstance Abuse Treatment and Outcomes

Cited by 59

Nitrous oxide speeds the reduction of distressing intrusive memories in an experimental model of psychological trauma

Das, R. K., Tamman, A., Nikolova, V., Freeman, T. P., Bisby, J. A., Lazzarino, A. I., & Kamboj, S. K. (2016) · Psychological Medicine

Posttraumatic Stress Disorder ResearchMemory Processes and Influences

Cited by 49

A comparison of emotion regulation strategies in response to craving cognitions: Effects on smoking behaviour, craving and affect in dependent smokers

Beadman, M., Das, R. K., Freeman, T. P., Scragg, P., West, R., & Kamboj, S. K. (2015) · Behaviour Research and Therapy

Smoking Behavior and CessationMindfulness and Compassion Interventions

Cited by 45

Recreational 3,4- methylenedioxy-N-methylamphetamine (MDMA) or ecstasy and self-focused compassion: preliminary steps in the development of a therapeutic psychopharmacology of contemplative practices

Kamboj, S. K., Kilford, E. J., Minchin, S., Moss, A., Lawn, W., Das, R. K., Falconer, C. J., Gilbert, P., Curran, H. V., & Freeman, T. P. (2015) · Journal of Psychopharmacology

Psychedelics and Drug StudiesMindfulness and Compassion Interventions

Cited by 43

Ultra-Brief Mindfulness Training Reduces Alcohol Consumption in At-Risk Drinkers: A Randomized Double-Blind Active-Controlled Experiment

Kamboj, S. K., Irez, D., Serfaty, S., Thomas, E., Das, R. K., & Freeman, T. P. (2017) · International Journal of Neuropsychopharmacology

Mindfulness and Compassion InterventionsSubstance Abuse Treatment and Outcomes

Cited by 41

Additive effects of 3,4-methylenedioxymethamphetamine (MDMA) and compassionate imagery on self-compassion in recreational users of ecstasy

Kamboj, S. K., Walldén, Y. S. E., Falconer, C. J., Alotaibi, M. R., Blagbrough, I. S., Husbands, S. M., & Freeman, T. P. (2018) · Mindfulness

Psychedelics and Drug StudiesMindfulness and Compassion Interventions

Cited by 28

Neural responses to reward anticipation and feedback in adult and adolescent cannabis users and controls

Skumlien, M., Mokrysz, C., Freeman, T. P., Wall, M. B., Bloomfield, M., Lees, R., Borissova, A., Petrilli, K., Carson, J., Coughlan, T., et al. (2022) · Neuropsychopharmacology

Cannabis and Cannabinoid ResearchNeurotransmitter Receptor Influence on Behavior

Cited by 27

Anhedonia, Apathy, Pleasure, and Effort-Based Decision-Making in Adult and Adolescent Cannabis Users and Controls

Skumlien, M., Mokrysz, C., Freeman, T. P., Valton, V., Wall, M. B., Bloomfield, M., Lees, R., Borissova, A., Petrilli, K., Giugliano, M., et al. (2023) · International Journal of Neuropsychopharmacology

Cannabis and Cannabinoid ResearchNeurotransmitter Receptor Influence on Behavior

Cited by 20

A phase III multisite randomised controlled trial to compare the efficacy of cannabidiol to placebo in the treatment of cannabis use disorder: the CBD-CUD study protocol

Bhardwaj, A. K., Mills, L., Doyle, M., Sahid, A., Montebello, M., Monds, L., Arunogiri, S., Haber, P., Lorenzetti, V., Lubman, D. I., et al. (2024) · BMC Psychiatry

Cannabis and Cannabinoid ResearchSubstance Abuse Treatment and Outcomes

Cited by 10

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

Gunasekera, B., Davies, C., Blest-Hopley, G., Veronese, M., Ramsey, N. F., Bossong, M. G., Radua, J., Bhattacharyya, S., Pretzsch, C., McAlonan, G., et al. (2022) · Neuroscience & Biobehavioral Reviews

Cannabis and Cannabinoid ResearchPsychedelics and Drug Studies

Cited by 10

intEgrating Smoking Cessation treatment As part of usual Psychological care for dEpression and anxiety (ESCAPE): A randomised and controlled, multi-centre, acceptability and feasibility trial with nested qualitative methods

Taylor, G. M. J., Sawyer, K., Jacobsen, P., Freeman, T. P., Blackwell, A., Daryan, S., Metcalfe, C., Kessler, D., Munafò, M. R., & Aveyard, P. (2025) · Addiction

Smoking Behavior and CessationSubstance Abuse Treatment and Outcomes

Cited by 2