Personal information

Activities

Employment (1)

Southern Health NHS Foundation Trust: Southampton, Hampshire, GB

Consultant Psychiatrist, Clinical Lead (Southern Gambling Service)
Employment
Source: Self-asserted source
Konstantinos Ioannidis

Works (26)

Friendship buffering effects on mental health symptoms before and during the COVID-19 pandemic: A UK longitudinal study of young people with childhood adversity

Development and Psychopathology
2025-02-10 | Journal article
Contributors: Maximilian König; Alicia J. Smith; Laura Moreno-López; Eugenia Davidson; Maria Dauvermann; Sofia Orellana; Ethan M. McCormick; Tara S. Peris; Muzaffer Kaser; Konstantinos Ioannidis et al.
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Crossref

Defining treatment response in gambling disorder

Journal of Psychiatric Research
2024-12 | Journal article
Contributors: Jon E. Grant; Konstantinos Ioannidis; Samuel R. Chamberlain
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Crossref
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Preferred source (of 2)‎

Pharmacological management of gambling disorder: a systematic review and network meta-analysis

Comprehensive Psychiatry
2024-12-14 | Journal article | Author
SOURCE-WORK-ID:

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Contributors: Konstantinos Ioannidis; Cinzia Del Giovane; Charidimos Tzagarakis Tzagarakis; Jeremy Solly; Samuel J. Westwood; Valeria Parlatini; Henrietta Bowden-Jones; Jon E. Grant; Samuele Cortese; Samuel Chamberlain
Source: check_circle
University of Southampton

Placebo and nocebo effects in gambling disorder pharmacological trials: a meta-analysis

Acta Neuropsychiatrica
2024-11-20 | Journal article
Contributors: Konstantinos Ioannidis; Nathan T.M. Huneke; Jeremy E. Solly; Guilherme Fusetto Veronesi; Charidimos Tzagarakis; Valeria Parlatini; Samuel J. Westwood; Cinzia Del Giovane; David S. Baldwin; Jon E. Grant et al.
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Crossref

Validation of the Comprehensive Online Sleep Monitoring Scale (COSMOS) in a Large Population Sample

2024-10-22 | Preprint
Contributors: Laila Rida; Konstantinos Ioannidis; Samuel R Chamberlain; Jon E Grant; Peter Hellyer; Valentina Giunchiglia; William Trender; Karla V Allebrandt; Sukhi Shergill; Steven CR Williams et al.
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Crossref

Taming the Chimaera–Hydra: disconnecting from the net to fortify our mental health

The British Journal of Psychiatry
2024-09-25 | Journal article
Contributors: Konstantinos Ioannidis; Naomi A. Fineberg; Samuel R. Chamberlain
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Crossref
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Preferred source (of 2)‎

Treatment discontinuation in pharmacological clinical trials for gambling disorder

Journal of Psychiatric Research
2024-05 | Journal article
Contributors: Samuel R. Chamberlain; Konstantinos Ioannidis; Jon E. Grant
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Crossref

Friendship buffering effects on mental health symptoms before and during the COVID-19 pandemic: a UK longitudinal study of young people with childhood adversity

2024-01-21 | Preprint
Contributors: Maximilian König; Alicia Smith; Laura Moreno-Lopez; Eugenia Davidson; Maria Dauvermann; Sofia Orellana; Ethan Michael McCormick; Tara Peris; Muzaffer Kaçer; Konstantinos Ioannidis et al.
Source: check_circle
Crossref

The stress-buffering role of friendships in young people with childhood threat experiences: a preliminary report

European Journal of Psychotraumatology
2023-11-23 | Journal article
Contributors: Maximilian König; Oksana Berhe; Konstantinos Ioannidis; Sofia Orellana; Eugenia Davidson; Muzaffer Kaser; Laura Moreno-López; Anne-Laura van Harmelen
Source: check_circle
Crossref

Pharmacological Management of Gambling Disorder: A Systematic Review and Network Meta-Analysis

2023-10-20 | Preprint
Contributors: Konstantinos Ioannidis; Cinzia Del Giovane; Charidimos Tzagarakis; Jeremy E Solly; Samuel J. Westwood; Valeria Parlatini; Henrietta Bowden-Jones; Jon E Grant; Samuele Cortese; Samuel R Chamberlain
Source: check_circle
Crossref

Role of adenosine A2A receptors in hot and cold cognition: Effects of single-dose istradefylline in healthy volunteers

European Neuropsychopharmacology
2023-06 | Journal article
Contributors: Roxanne W. Hook; Masanori Isobe; George Savulich; Jon E. Grant; Konstantinos Ioannidis; David Christmas; Barbara J. Sahakian; Trevor W. Robbins; Samuel R. Chamberlain
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Crossref

The stress-buffering role of friendships in young people with childhood threat experiences: a preliminary report

2023-06-24 | Preprint
Contributors: Maximilian König; Oksana Berhe; Konstantinos Ioannidis; Sofia Orellana; Eugenia Davidson; Muzaffer Kaçer; RAISE Consortium; Laura Moreno-Lopez; Anne-Laura Van Harmelen
Source: check_circle
Crossref

Cortical dopamine reduces the impact of motivational biases governing automated behaviour

Neuropsychopharmacology
2022-07 | Journal article
Contributors: Vanessa Scholz; Roxanne W. Hook; Mojtaba Rostami Kandroodi; Johannes Algermissen; Konstantinos Ioannidis; David Christmas; Stephanie Valle; Trevor W. Robbins; Jon E. Grant; Samuel R. Chamberlain et al.
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Crossref

Problematic usage of the internet and cognition

Current Opinion in Behavioral Sciences
2022-04 | Journal article
Contributors: Konstantinos Ioannidis; Jon E Grant; Samuel R Chamberlain
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Crossref

Digital Hazards for Feeding and Eating: What We Know and What We Don't

Current Psychiatry Reports
2021-09 | Journal article
Contributors: Konstantinos Ioannidis; Samuel R Chamberlain
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Crossref

Cortical dopamine reduces the impact of motivational biases governing automated behaviour

2021-09-10 | Other
Contributors: Vanessa Scholz; Roxanne W. Hook; Mojtaba Rostami Kandroodi; Johannes Algermissen; Konstantinos Ioannidis; David Christmas; Stephanie Valle; Trevor W. Robbins; Jon E. Grant; Samuel R. Chamberlain et al.
Source: check_circle
Crossref

Author Correction: Associations between dimensions of behaviour, personality traits, and mental-health during the COVID-19 pandemic in the United Kingdom

Nature Communications
2021-08-16 | Journal article
Contributors: Adam Hampshire; Peter J. Hellyer; Eyal Soreq; Mitul A. Mehta; Konstantinos Ioannidis; William Trender; Jon E. Grant; Samuel R. Chamberlain
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Crossref

Associations between dimensions of behaviour, personality traits, and mental-health during the COVID-19 pandemic in the United Kingdom

Nature Communications
2021-07-16 | Journal article
Contributors: Adam Hampshire; Peter J. Hellyer; Eyal Soreq; Mitul A. Mehta; Konstantinos Ioannidis; William Trender; Jon E. Grant; Samuel R. Chamberlain
Source: check_circle
Crossref

Measurement of the problematic usage of the Internet unidimensional quasitrait continuum with item response theory.

Psychological Assessment
2021-07-08 | Journal article
Contributors: Jeggan Tiego; Christine Lochner; Konstantinos Ioannidis; Matthias Brand; Dan J. Stein; Murat Yücel; Jon E. Grant; Samuel R. Chamberlain
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Crossref

Problematic usage of the internet and eating disorder and related psychopathology: A multifaceted, systematic review and meta-analysis

Neuroscience & Biobehavioral Reviews
2021-06 | Journal article
Contributors: Konstantinos Ioannidis; Charlotte Taylor; Leah Holt; Kate Brown; Christine Lochner; Naomi A. Fineberg; Ornella Corazza; Samuel R. Chamberlain; Andres Roman-Urrestarazu; Katarzyna Czabanowska
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Crossref

Early warning systems in inpatient anorexia nervosa: A validation of the MARSIPAN‐based modified early warning system

European Eating Disorders Review
2020-09 | Journal article
Contributors: Konstantinos Ioannidis; Jaco Serfontein; Julia Deakin; Melanie Bruneau; Anya Ciobanca; Leah Holt; Sarah Snelson; Jan Stochl
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Crossref

Problematic usage of the internet and eating disorders: a multifaceted, systematic review and meta-analysis

2020-08-22 | Other
Contributors: Konstantinos Ioannidis; Charlotte Taylor; Leah Holt; Kate Brown; Christine Lochner; Naomi A Fineberg; Ornella Corazza; Samuel R Chamberlain; Andres Roman-Urrestarazu; Katarzyna Czabanowska
Source: check_circle
Crossref

Problematic internet use: an exploration of associations between cognition and COMT rs4818, rs4680 haplotypes

CNS Spectrums
2020-06-04 | Journal article
Contributors: Konstantinos Ioannidis; Sarah A. Redden; Stephanie Valle; Samuel R. Chamberlain; Jon E. Grant
Source: check_circle
Crossref

Cognitive deficits in problematic internet use: meta-analysis of 40 studies

British Journal of Psychiatry
2019-11-20 | Journal article
Contributors: Konstantinos Ioannidis; Roxanne Hook; Anna E. Goudriaan; Simon Vlies; Naomi A. Fineberg; Jon E. Grant; Samuel R. Chamberlain
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Crossref

The resilient emotional brain: a review of mPFC and limbic structure and function in resilient adults with a history of childhood maltreatment

2019-07-08 | Other
Contributors: Laura Moreno-Lopez; Konstantinos Ioannidis; Adrian Dahl Askelund; Alicia Smith; Katja Schüler; Anne-Laura Van Harmelen
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Crossref

MARSIPAN-based Early Warning Signs System: A full Audit cycle in the Inpatient Eating Disorders Ward

2019-06-06 | Other
Contributors: Konstantinos Ioannidis; Gabriella Lewis; Jane Waterston; Carol Connolly; Felix Clay; Chloe Copping; Alex Gomez-Mendes; Charlie Middleton; Jaco Serfontein
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Crossref

Peer review (15 reviews for 5 publications/grants)

Review activity for Addictive behaviors. (2)
Review activity for Comprehensive psychiatry. (4)
Review activity for Journal of eating disorders. (1)
Review activity for Journal of gambling studies. (7)
Review activity for Journal of psychiatric research. (1)