OOIR: Observatory of International Research

Papers

(The H4-Index of Psychiatry Research is 44. The table below lists those papers that are above that threshold based on CrossRef citation counts [max. 250 papers]. The publications cover those that have been published in the past four years, i.e., from 2021-07-01 to 2025-07-01.)

Article	Citations
A preliminary investigation of the clinical and cognitive correlates of circulating vitamin D in bipolar disorder	332
Examining the role of mitochondrial genetic variation in nicotine dependence	257
Psychotic Disorders and exosomes: An overview of current evidence and future directions	250
ADHD patients with DIRAS2 risk allele need more thalamic activation during emotional face-voice recognition	204
Difficulties of healthcare workers encountered under cohort isolation in a psychiatric hospital during the COVID-19 pandemic: A qualitative study	169
Association of the promoter haplotype in CDK5 gene with schizophrenia in a Korean population	108
Association between thyroid autoimmunity and antidepressant treatment-emergent mania in pediatric mood disorders	94
Emotional scene processing in biotypes of psychosis	85
Assessing the impact of the de novo SLC6A1 mutation in schizophrenia through a comprehensive case study	84
Assessing the impact of COVID-19 on mental health providers in the southeastern United States	80
An exploratory study of hallucination-proneness and own-voice discrimination among bilingual college students	72
Corrigendum to <’ Is heart rate variability (HRV) an adequate tool for evaluating human emotions? – A focus on the use of the International Affective Picture System (IAPS)’>	71
Editorial Board	70
Family history of psychosis in youth at clinical high risk: A replication study	68
A longitudinal study on cognitive aging in autism	67
Effect of concomitant use of valproic acid during clozapine initiation on clozapine-induced inflammation among Japanese patients with schizophrenia	66
Predictors of attrition during acute pharmacotherapy of psychotic depression in a clinical trial	66
Emotion profiles of university students engaging in non-suicidal self-injury: Association with functions of self-injury and other mental health concerns	66
A 10-year mirror-image study of effectiveness and cost of long-acting paliperidone palmitate injectable in patients with schizophrenia or schizoaffective disorder	65
Universal COVID-19 testing and a three-space triage protocol is associated with a nine-fold decrease in possible nosocomial infections in an inpatient psychiatric facility	65
Sex-dependent association study of complement C4 gene with treatment-resistant schizophrenia and hospitalization frequency	64
Long-acting Injectable Antipsychotics during the COVID-19 pandemic in schizophrenia: An observational study in a real-world clinical setting	59
Sexual and gender minority stress and clinical symptom severity in psychiatrically hospitalized adolescents	57
Effects of intermittent theta-burst transcranial magnetic stimulation on post-traumatic stress disorder symptoms: A randomized controlled trial	56
Maternal perinatal depression and the risk of disruptive behavioural disorder symptoms among offspring: A systematic review and meta-analysis	56

Pharmacotherapy exposure as a marker of disease complexity in bipolar disorder: Associations with clinical & genetic risk factors	55
Serum levels of glial cell line-derived neurotrophic factor as a biomarker for mood disorders and lithium response	55
Young adults who self-harm: Barriers to and facilitators of seeking help	53
Development of criteria for cognitive dysfunction in post-COVID syndrome: the IC-CoDi-COVID approach	53
The global burden of suicide mortality among people on the autism spectrum: A systematic review, meta-analysis, and extension of estimates from the Global Burden of Disease Study 2021	53
White matter correlates of dissociation in a diverse sample of trauma-exposed women	52
Social companion robots for alleviating depression and loneliness in institutional older adults	51
Progress toward a performance measure for mental health based on a generic patient- reported outcome measure: Findings from the Veterans Outcome Assessment survey	51
Correspondence: No increased memory impairment in depressed patients under everyday life conditions	51
Psychological and behavioral response on the COVID-19 pandemic in individuals with bipolar disorder: A multicenter study	51
Effectiveness of online social networking interventions on social isolation and quality of life of people with psychosis: A systematic review	50
Adverse childhood experiences and social and occupational functioning in first-episode psychosis — A one year follow - up	49
Does suicidal ideation increase during the second COVID-19 lockdown?	48
Pandemic-related posttraumatic psychological growth in U.S. military veterans: A 3-year, nationally representative, longitudinal study	47
Anxiety, depression and stress among internally displaced persons and host community in an armed conflict region: A comparative study	47
Non-hallucinogenic psychedelics for mood and anxiety disorders: A systematic review	46
Association between duration of antidepressant treatment for major depressive disorder and relapse rate after discontinuation: A meta-analysis	46
The impact of physical activity on objective sleep of people with insomnia	45
Using electronic patient-reported measures to characterize symptoms and improvement in inpatient psychiatric units	45
Integrated multi-omics analysis reveals gut microbiota dysbiosis and systemic disturbance in major depressive disorder	44
Change in neurocognitive functioning in patients with treatment-resistant depression with serial intravenous ketamine infusions: The Bio-K multicenter trial	44
Sleep heterogeneity in the third trimester of pregnancy: Correlations with depression, memory impairment, and fatigue	44