OOIR: Observatory of International Research

Papers

(The median citation count of Acta Neuropsychiatrica is 1. 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 2021-09-01 to 2025-09-01.)

Article	Citations
Neuropsychiatric symptoms in post-COVID-19 long haulers	43
Aggressive behaviours associated with MDMA and psychedelics: a narrative review	38
A double-blind, placebo-controlled, randomised withdrawal study of adjunctive brexpiprazole maintenance treatment for major depressive disorder	31
Research and Diagnostic Algorithmic Rules (RADAR) for mood disorders, recurrence of illness, suicidal behaviours, and the patient’s lifetime trajectory	30
Comorbid cerebrovascular and neurodegenerative burden in mild behavioural impairment and their impact on clinical trajectory	25
Relationship between pineal gland, sleep and melatonin in fibromyalgia women: a magnetic resonance imaging study	25
The effect of azelaic acid on AlCl₃-induced neurocognitive impairments and molecular changes in the hippocampus of rats	20
The influence of peer non-suicidal self-harm on young adults’ urges to self-harm: experimental study	18
Dissecting the association between psychiatric disorders and neurological proteins: a genetic correlation and two-sample bidirectional Mendelian randomization study	15
Misconceptions about paediatric bipolar disorder	13
Psychiatric sequelae after SARS-Cov-2 infection: trajectory, predictors and associations in a longitudinal Australian cohort	12
Comparative study of the pencil-and-paper and digital formats of the Spanish DARS scale	12
Cholecystokinin B receptor gene polymorphism (rs2941026) is associated with anxious personality and suicidal thoughts in a longitudinal study	11
Rumination in bipolar disorder associated with brain network and behavioural measures of inhibitory executive control	11
Polymorphisms in ERBB4 and TACR1 associated with dry mouth in clozapine-treated patients	11
Occurrence of metabolic syndrome in untreated bipolar disorders: a cross-sectional study	10
Attention improvement to transcranial alternating current stimulation at gamma frequency over the right frontoparietal network: a preliminary report	9
Exploration of possible sex bias in acute social stress research: a semi-systematic review	9
Wearables measuring electrodermal activity to assess perceived stress in care: a scoping review	9
A comparative study of retinal layer changes among patients with schizophrenia and healthy controls	9
Plasma neurofilament light chain is increased in Niemann-Pick Type C but glial fibrillary acidic protein remains normal	8
The impact of morningness–eveningness on depression through a serial mediation model of resilience and anxiety	8
Development and validation of the Male Post-coital Affect Scale for heterosexual men	8
Feasibility, acceptability and evaluation of meditation to augment yoga practice among persons diagnosed with schizophrenia	8
Cannabidiol improves non-motor symptoms, attenuates neuroinflammation, and favours hippocampal newborn neuronal maturation in a rat model of Parkinsonism	8

Serum S100B protein after electroconvulsive therapy in patients with depression	8
Psychosocial wellbeing of people with dementia: systematic review and construct analysis	8
Role of T and B lymphocyte cannabinoid type 1 and 2 receptors in major depression and suicidal behaviours	8
Impact of elevated body mass index (BMI) on cognitive functioning and inflammation in persons with post-COVID-19 condition: a secondary analysis	7
Roles of cannabinoid CB1 and CB2 receptors in the modulation of psychostimulant responses	7
Time perception in bipolar disorder: a systematic review	7
Complement system dysfunction in autism spectrum disorder: evidence for altered C1q and C3 levels (complement system dysfunction in ASD)	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
Cannabidiol negatively modulates adenosine A_2A receptor functioning in living cells	7
Gene expression of kynurenine pathway enzymes in depression and following electroconvulsive therapy	7
The impact of social isolation due to the COVID-19 pandemic on patients with dementia and caregivers	6
Blood–brain barrier permeability and electroconvulsive therapy: a systematic review	6
Serum s100b protein levels as a neuroinflammatory biomarker of acutely relapsed paranoid schizophrenia patients	6
Apathy associated with antidepressant drugs: a systematic review	6
A comprehensive bibliographic study on mental illness	6
Cerebrospinal fluid neurofilament light predicts longitudinal diagnostic change in patients with psychiatric and neurodegenerative disorders	6
Evaluating the safety profile of connectome-based repetitive transcranial magnetic stimulation	5
‘Unravelling the shared genetic architecture between suicidality and subcortical brain volume: a genome-wide association study’	5
Anxiolytic-like effects of acute serotonin-releasing agents in zebrafish models of anxiety: experimental study and systematic review	5
Cannabis-induced psychotic disorder with onset during withdrawal: a brief report of emerging evidence	5
Dietary supplementation with casein glycomacropeptide, leucine and tryptophan reduces plasma amino acid levels in men	5
No decrease in perseverance and performance on cognitive tasks in Danish cohort of hormonal contraceptive users	5
Behavioural impairments in a mouse model of Kabuki syndrome associated with dopaminergic and neuroinflammatory modulations	5
Modelling self-diagnosed burnout as a categorical syndrome	4
A retrospective analysis of iv ketamine outcome on hospitalisations in an unselected psychiatric sample	4
Neural correlates of learning accommodation and consolidation in generalised anxiety disorder	4
The male–female suicide ratio in Denmark plateaus at 2.7: an opportunity for targeted intervention?	4
Gender-affirming hormone therapy, quality of life, and the role of oestradiol and testosterone in transgender individuals	4
Selective serotonin reuptake inhibitors and osteoporosis: a target trial emulation using real-world data	4
Network hub changes in the pars opercularis indicate impaired inhibition in tic disorder patients	4
Distributed genetic effects of the corpus callosum subregions suggest links to neuropsychiatric disorders and related traits	4
Reactivation of herpesvirus type 6 and IgA/IgM-mediated responses to activin-A underpin long COVID, including affective symptoms and chronic fatigue syndrome	4
Dual administration of lipopolysaccharide induces behavioural changes in rats relevant to psychotic disorders	4
Obstetric complications and clinical presentation in first episode of psychosis	4
Investigation of the relationship of sleep disorder occurring in fibromyalgia with central nervous system and pineal gland volume	4
Genetically predisposed and resilient animal models of depression reveal divergent responses to early-life adversity	4
Antinociceptive effect of N-acetyl glucosamine in a rat model of neuropathic pain	4
Electroencephalogram activity related to psychopathological and neuropsychological symptoms in institutionalised minors: a systematic review	4
A meta-analysis of the prevalence of neuropsychiatric disorders and their association with disease onset in myotonic dystrophy	3
Mental well-being, health, and locus of control in Danish adults before and during COVID-19	3
Psychometric properties of the ASEBA Child Behaviour Checklist and Youth Self-Report in sub-Saharan Africa - A systematic review	3
Association of glucagon-like peptide-1 receptor agonists (GLP-1 RAs) and neurogenesis: a systematic review	3
Major depressive disorder: a possible typisation according to serotonin, inflammation, and metabolic syndrome	3
Time to transition from paediatric to adolescent bipolar disorder	3
Mediators of improved PTSD symptoms in veterans and civilians following a yoga program	3
Decreased sensitivity to antidepressant drugs in Wistar Hannover rats submitted to two animal models of depression	3
Attention-related impairment and contributing neuroinflammatory signalling in the prefrontal cortex of perinatal nicotine-exposed mice	3
Group independent components underpin responses to items from a depression scale	3
Acta Neuropsychiatrica embraces full open access: towards a new era of global knowledge sharing	3
Circuits regulating pleasure and happiness – focus on potential biomarkers for circuitry including the habenuloid complex	3

Narrating the psychoneuroimmunomodulatory properties of serotonin 5-HT_2A receptor psychedelics from a transdiagnostic perspective	3
Adverse childhood experiences and reoccurrence of illness impact the gut microbiome, which affects suicidal behaviours and the phenome of major depression: towards enterotypic phenotypes	3
Physiological responses to videoconferencing exposure in individuals with social anxiety: an iPPG-based HRV analysis	3
Return to classes impact on mental health of university students during the COVID-19 pandemic	3
Ultrasonic vocalisations in the Flinders Sensitive Line rat, a genetic animal model of depression	3
The therapeutic potential of cannabidiol in neuropsychiatric and neurodegenerative disorders	3
Attention-deficit hyperactivity disorder drug search trends: a Scandinavian perspective	3
Application of cognitive behavioural therapy combined with aripiprazole in the treatment of schizophrenia: a randomised controlled trial	3
Systematic review of differentially abundant proteins in people with Lewy body dementia	2
Anti-MOG autoantibody-associated schizophreniform psychosis	2
The immune checkpoint pathophysiology of depression and chronic fatigue syndrome due to preeclampsia: focus on sCD80 and sCTLA-4	2
BDNF-related mutations in major depressive disorder: a systematic review	2
Network meta-analysis of the effectiveness of psychotherapies with or without medication for treating adult depression	2
Decreased beta 1 (12–15 Hertz) power modulates the transfer of suicidal ideation to suicide in major depressive disorder	2
Cannabidiol modulates hippocampal genes involved in mitochondrial function, ribosome biogenesis, synapse organization, and chromatin modifications	2
Association between cortical thickness or surface area and divergent thinking in patients with bipolar disorder	2
Analysis of 470,000 exome-sequenced cases and controls fails to identify any genes impacting risk of developing affective disorder	2
Effects of cannabidiol on reward contextual memories induced by cocaine in male and female mice	2
White matter tract alterations in schizophrenia identified by DTI-based probabilistic tractography: a multisite harmonisation study	2
Advancing the understanding of cannabinoids in psychiatry	2
About the paper ‘Apathy associated with antidepressants: a systematic review’	2
A single dose of cocaine raises SV2A density in hippocampus of adolescent rats	2
In memoriam: Brian E. Leonard	2
RNA m⁶A methyltransferase activator affects anxiety-related behaviours, monoamines and striatal gene expression in the rat	2
Structural impairment in superficial and deep white matter in schizophrenia	2
First-episode psychotic disorders in the wake of the COVID-19 pandemic: a descriptive review of casereports	2
Heterogeneity of lithium effects in the forced swim test, across more than within experiments	2
Augmentation strategies for clozapine resistance: a systematic review and meta-analysis	2
Paediatric bipolar disorder and its controversy	1
IL-8 and IL-1RA serum levels predicting depression treatment response in 6-week follow-up	1
Influence of CYP2D6 phenotype on adherence, adverse effects, and attitudes in aripiprazole and risperidone users	1
As a new challenger approaches, how will modern psychiatry cope with ’shifting realities’?	1
Sex differences in the network structures of depressive symptom profiles in Asian patients with depressive disorders: findings from the Research on Asian Psychotropic Patterns for Antidepressants, Pha	1
Test-retest reliability of prepulse inhibition (PPI) and PPI correlation with working memory	1
Investigation of the effects of oxidative stress, inflammation on the pathway of tryptophan/kynurenine in OCD	1
COVID-19 as a polymorphic inflammatory spectrum of diseases: a review with focus on the brain	1
Lexical stability of psychiatric clinical notes from electronic health records over a decade	1
Modelling self-diagnosed burnout as a categorical syndrome – CORRIGENDUM	1
Has maternal sensitivity been comprehensively investigated in sub-Saharan Africa? A narrative scoping review	1
Gut microbiota alterations in stable outpatients with schizophrenia: findings from a case–control study	1
Investigation of serum galanin, alarin, meteorin-like protein, and ischemia modified albumin levels in patients with schizophrenia	1
Increased markers of inflammation after cannabis cessation and their association with psychotic symptoms	1
Precision psychiatry needs causal inference	1
The use of low-dose quetiapine does not necessarily increase the risk of major adverse cardiovascular events	1
Salidroside exerts antidepressant-like action by promoting adult hippocampal neurogenesis through SIRT1/PGC-1α signalling	1
Neuropeptide Y gene variants and Agreeableness: interaction effect with the birth cohort and the serotonin transporter promoter polymorphism	1
Escitalopram alters tryptophan metabolism, plasma lipopolysaccharide, and the inferred functional potential of the gut microbiome in deer mice showing compulsive-like rigidity	1
Unravelling the complex tapestry of addiction: insights from recent research	1
Navigating the complexity of COVID-19: a multifaceted examination	1
Comparison of the effect of self-selected and prescribed moderate-intensity aerobic exercise on state anxiety symptoms and affective responses in young women: a randomized crossover clinical trial des	1
Patient-initiated brief admission: a single site eight-year retrospective cohort study	1
Tips and traps for behavioural animal experimentation	1
Effects of electroconvulsive therapy on cortical thickness in depression: a systematic review	1
Preliminary evaluation of a smartphone application (DelApp) for identification of delirium in sub-Saharan Africa	1
Pharmacogenetics of angiotensin modulators according to APOE-ϵ4 alleles and the ACE insertion/deletion polymorphism in Alzheimer’s disease	1
Measuring dispositional empathy in South African children	1
Psychomotor and neurofunctional aspects after COVID-19	1
Associations between community-level patterns of prenatal alcohol and tobacco exposure on brain structure in a non-clinical sample of 6-year-old children: a South African pilot study	1
C-reactive protein is not a biomarker of depression severity in drug-naïve obese patients with metabolic syndrome	1
Leptin and leptin receptor gene polymorphisms and depression treatment response	1
Missed conceptions about paediatric bipolar disorder: a reply and discussion of DMDD	1
Relationship between early traumatic experiences and emotional regulation skills in major depressive and bipolar disorders	1
Is there a place for psychedelics in sports practice?	1
Anxiety disorders in the Middle East and North Africa region; 1990 to 2021	1
Non-pharmacological therapeutic paradigms in stress-induced depression: from novel therapeutic perspective with focus on cell-based strategies	1