OOIR: Observatory of International Research

Papers

(The median citation count of Acta Neuropsychiatrica is 2. 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 2022-08-01 to 2026-08-01.)

Article	Citations
Aggressive behaviours associated with MDMA and psychedelics: a narrative review	58
Research and Diagnostic Algorithmic Rules (RADAR) for mood disorders, recurrence of illness, suicidal behaviours, and the patient’s lifetime trajectory	55
Aspirin and atorvastatin augmentation treatment in patients with major affective disorders and inflammatory dysregulation: a 12-week randomised Placebo-controlled study	54
A double-blind, placebo-controlled, randomised withdrawal study of adjunctive brexpiprazole maintenance treatment for major depressive disorder	54
Neurorestorative properties of ibogaine: linking multi-receptor affinities to remyelination and metabolic restoration	37
Sleep state is superior to resting state for heart rate variability assessment in major depressive disorder	33
Misconceptions about paediatric bipolar disorder	26
Polymorphisms in ERBB4 and TACR1 associated with dry mouth in clozapine-treated patients	21
Psychiatric sequelae after SARS-Cov-2 infection: trajectory, predictors and associations in a longitudinal Australian cohort	20
Comorbid cerebrovascular and neurodegenerative burden in mild behavioural impairment and their impact on clinical trajectory	17
The influence of peer non-suicidal self-harm on young adults’ urges to self-harm: experimental study	16
The effect of azelaic acid on AlCl₃-induced neurocognitive impairments and molecular changes in the hippocampus of rats	15
Rumination in bipolar disorder associated with brain network and behavioural measures of inhibitory executive control	14
Music and binaural beat interventions for young adults: A systematic review of effects on anxiety, sleep, and cognition	13
A comparative study of retinal layer changes among patients with schizophrenia and healthy controls	12
Exploration of possible sex bias in acute social stress research: a semi-systematic review	11
Occurrence of metabolic syndrome in untreated bipolar disorders: a cross-sectional study	10
Bilateral DLPFC transcranial direct current stimulation for mood and motor symptoms in Parkinson’s disease: a preliminary study	10
Wearables measuring electrodermal activity to assess perceived stress in care: a scoping review	10
Attention improvement to transcranial alternating current stimulation at gamma frequency over the right frontoparietal network: a preliminary report	9
Emotion regulation and depressive symptoms mediate the association between chronotype and suicidality	9
Development and validation of the Male Post-coital Affect Scale for heterosexual men	9
Role of T and B lymphocyte cannabinoid type 1 and 2 receptors in major depression and suicidal behaviours	9
The effects of psychedelics on attention-deficit and hyperactivity disorder – a systematic review	9
Plasma neurofilament light chain is increased in Niemann-Pick Type C but glial fibrillary acidic protein remains normal	8

Cannabidiol improves non-motor symptoms, attenuates neuroinflammation, and favours hippocampal newborn neuronal maturation in a rat model of Parkinsonism	8
The belief that certain illnesses can only be treated by traditional healers: a qualitative study exploring the ‘traditional illness’ Xifula in Limpopo, South Africa	8
Predicting the need for electroconvulsive therapy via machine learning trained on electronic health record data	8
Gene expression of kynurenine pathway enzymes in depression and following electroconvulsive therapy	8
Roles of cannabinoid CB1 and CB2 receptors in the modulation of psychostimulant responses	7
The impact of morningness–eveningness on depression through a serial mediation model of resilience and anxiety	7
Serum s100b protein levels as a neuroinflammatory biomarker of acutely relapsed paranoid schizophrenia patients	7
Complement system dysfunction in autism spectrum disorder: evidence for altered C1q and C3 levels (complement system dysfunction in ASD)	7
Psychosocial wellbeing of people with dementia: systematic review and construct analysis	7
Cannabidiol negatively modulates adenosine A_2A receptor functioning in living cells	7
Time perception in bipolar disorder: a systematic review	7
Lowered oxygen saturation and increased body temperature in acute COVID-19 largely predict chronic fatigue syndrome and affective symptoms due to Long COVID: A precision nomothetic approach	7
When artificial intelligence speaks: psychologically adverse effects of the shift from text- to voice-based chatbots	7
Impact of elevated body mass index (BMI) on cognitive functioning and inflammation in persons with post-COVID-19 condition: a secondary analysis	6
Blood–brain barrier permeability and electroconvulsive therapy: a systematic review	6
Breaking down the attention-deficit/hyperactivity disorder construct to build a valid diagnosis	6
Cannabis-induced psychotic disorder with onset during withdrawal: a brief report of emerging evidence	6
Early-life adversity induces metabolic alterations in a rodent model of depression: a differential stress response perspective	6
Cerebrospinal fluid neurofilament light predicts longitudinal diagnostic change in patients with psychiatric and neurodegenerative disorders	6
Psychomotor and neurofunctional sequelae after COVID-19	6
Distinct contributions of cerebrospinal fluid biomarkers to cognitive impairment and neuropsychiatric symptoms in young-onset dementia	6
The tryptophan catabolite pathway in major and simple neurocognitive psychosis: a double-edged sword with two sharpened edges	6
A comprehensive bibliographic study on mental illness	6
Apathy associated with antidepressant drugs: a systematic review	6
Distributed genetic effects of the corpus callosum subregions suggest links to neuropsychiatric disorders and related traits	5
Network hub changes in the pars opercularis indicate impaired inhibition in tic disorder patients	5
Psilocybin-assisted physiotherapy for refractory motor functional neurological disorder: protocol for a randomised dose-comparison pilot study	5
No decrease in perseverance and performance on cognitive tasks in Danish cohort of hormonal contraceptive users	5
A retrospective analysis of iv ketamine outcome on hospitalisations in an unselected psychiatric sample	5
Evaluating the safety profile of connectome-based repetitive transcranial magnetic stimulation	5
Gender-affirming hormone therapy, quality of life, and the role of oestradiol and testosterone in transgender individuals	5
Behavioural impairments in a mouse model of Kabuki syndrome associated with dopaminergic and neuroinflammatory modulations	5
Investigation of the relationship of sleep disorder occurring in fibromyalgia with central nervous system and pineal gland volume	5
Modelling self-diagnosed burnout as a categorical syndrome	5
MR spectroscopic imaging and its association with EEG, CSF, and psychometric/neuropsychological findings in patients with suspected autoimmune psychosis spectrum syndromes	5
Selective serotonin reuptake inhibitors and osteoporosis: a target trial emulation using real-world data	5
Anxiolytic-like effects of acute serotonin-releasing agents in zebrafish models of anxiety: experimental study and systematic review	5
Obstetric complications and clinical presentation in first episode of psychosis	5
‘Unravelling the shared genetic architecture between suicidality and subcortical brain volume: a genome-wide association study’	5
Reactivation of herpesvirus type 6 and IgA/IgM-mediated responses to activin-A underpin long COVID, including affective symptoms and chronic fatigue syndrome	4
The male–female suicide ratio in Denmark plateaus at 2.7: an opportunity for targeted intervention?	4
Functional shotgun metagenomic insights into gut microbial pathway and enzyme disruptions linking metabolism, affect, cognition, and suicidal ideation in major depressive disorder	4
Adverse childhood experiences and reoccurrence of illness impact the gut microbiome, which affects suicidal behaviours and the phenome of major depression: towards enterotypic phenotypes	4
Improved dietary control results in improvements in indices of white matter structure in adults with phenylketonuria: the ReDAPT study	4
Dual administration of lipopolysaccharide induces behavioural changes in rats relevant to psychotic disorders	4
Serum levels of IFN-γ and NGF as potential biomarkers of depressive disorders	4
Electroencephalogram activity related to psychopathological and neuropsychological symptoms in institutionalised minors: a systematic review	4
Mediators of improved PTSD symptoms in veterans and civilians following a yoga program	4
Neuroeconomic adaptation to norm shifts is preserved in borderline personality disorder	4
Decreased sensitivity to antidepressant drugs in Wistar Hannover rats submitted to two animal models of depression	4

Genetically predisposed and resilient animal models of depression reveal divergent responses to early-life adversity	4
Behavioural addiction and associated risk factors among high school students	4
Narrating the psychoneuroimmunomodulatory properties of serotonin 5-HT_2A receptor psychedelics from a transdiagnostic perspective	4
A meta-analysis of the prevalence of neuropsychiatric disorders and their association with disease onset in myotonic dystrophy	4
Physiological responses to videoconferencing exposure in individuals with social anxiety: an iPPG-based HRV analysis	4
Network meta-analysis of the effectiveness of psychotherapies with or without medication for treating adult depression	3
Application of cognitive behavioural therapy combined with aripiprazole in the treatment of schizophrenia: a randomised controlled trial	3
White matter tract alterations in schizophrenia identified by DTI-based probabilistic tractography: a multisite harmonisation study	3
Association of glucagon-like peptide-1 receptor agonists (GLP-1 RAs) and neurogenesis: a systematic review	3
Analysis of 470,000 exome-sequenced cases and controls fails to identify any genes impacting risk of developing affective disorder	3
Attention-related impairment and contributing neuroinflammatory signalling in the prefrontal cortex of perinatal nicotine-exposed mice	3
Augmentation strategies for clozapine resistance: a systematic review and meta-analysis	3
Effects of cannabidiol on reward contextual memories induced by cocaine in male and female mice	3
The therapeutic potential of cannabidiol in neuropsychiatric and neurodegenerative disorders	3
Association between cortical thickness or surface area and divergent thinking in patients with bipolar disorder	3
Heroin assessment in Spanish population-based studies: a scoping review	3
Time to transition from paediatric to adolescent bipolar disorder	3
BDNF-related mutations in major depressive disorder: a systematic review	3
Ultrasonic vocalisations in the Flinders Sensitive Line rat, a genetic animal model of depression	3
Decreased beta 1 (12–15 Hertz) power modulates the transfer of suicidal ideation to suicide in major depressive disorder	3
Systematic review of differentially abundant proteins in people with Lewy body dementia	3
Attention-deficit hyperactivity disorder drug search trends: a Scandinavian perspective	3
Advancing the understanding of cannabinoids in psychiatry	3
In memoriam: Brian E. Leonard	3
Structural impairment in superficial and deep white matter in schizophrenia	3
Group independent components underpin responses to items from a depression scale	3
A single dose of cocaine raises SV2A density in hippocampus of adolescent rats	3
About the paper ‘Apathy associated with antidepressants: a systematic review’	3
Monomeric CRP and negative acute phase proteins, but not pentameric CRP, as biomarkers of major depression and MDMD	3
Cannabidiol modulates hippocampal genes involved in mitochondrial function, ribosome biogenesis, synapse organization, and chromatin modifications	3
Acta Neuropsychiatrica embraces full open access: towards a new era of global knowledge sharing	3
Gut microbiota alterations in stable outpatients with schizophrenia: findings from a case–control study	2
Investigation of serum galanin, alarin, meteorin-like protein, and ischemia modified albumin levels in patients with schizophrenia	2
Immunological predictors in first-episode psychosis: findings from one-year prospective follow-up study	2
Has maternal sensitivity been comprehensively investigated in sub-Saharan Africa? A narrative scoping review	2
Pharmacogenetics of angiotensin modulators according to APOE-ϵ4 alleles and the ACE insertion/deletion polymorphism in Alzheimer’s disease	2
IL-8 and IL-1RA serum levels predicting depression treatment response in 6-week follow-up	2
Exosomes: New biomarker and therapeutic candidates in autism spectrum disorder research	2
Patient-initiated brief admission: a single site eight-year retrospective cohort study	2
Effects of electroconvulsive therapy on cortical thickness in depression: a systematic review	2
Transcriptomic and proteomic analyses of SH-SY5Y neuroblastoma cells treated with amisulpride	2
Glucagon-like peptide-1 receptor agonists for the treatment of opioid use disorders: a systematic review	2
A comprehensive systematic review of human trials investigating herbal treatments for Alzheimer’s disease and dementia	2
Preliminary evaluation of a smartphone application (DelApp) for identification of delirium in sub-Saharan Africa	2
Anxiety disorders in the Middle East and North Africa region; 1990 to 2021	2
Modelling self-diagnosed burnout as a categorical syndrome – CORRIGENDUM	2
Electroconvulsive therapy during the COVID-19 pandemic: nationwide data from Denmark	2
Paediatric bipolar disorder and its controversy	2
RNA m⁶A methyltransferase activator affects anxiety-related behaviours, monoamines and striatal gene expression in the rat	2
The immune checkpoint pathophysiology of depression and chronic fatigue syndrome due to preeclampsia: focus on sCD80 and sCTLA-4	2
The use of neuropsychological tasks to evaluate self-regulation in depression and anxiety during adolescence: a scoping review	2
Non-pharmacological therapeutic paradigms in stress-induced depression: from novel therapeutic perspective with focus on cell-based strategies	2
Birds may represent a useful animal model for studying human mental disorders	2
Unravelling the complex tapestry of addiction: insights from recent research	2
Insights into neuroscience from the representative birth cohort samples of a multidisciplinary longitudinal study	2