OOIR: Observatory of International Research

Papers

(The H4-Index of Psychopharmacology is 28. 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 2021-02-01 to 2025-02-01.)

Article	Citations
Intranasal oxytocin enhances the perception of ambiguous averted gaze in women but not in men	106
Allosteric inhibition of phosphodiesterase 4D induces biphasic memory-enhancing effects associated with learning-activated signaling pathways	64
Acute analgesic effect of nicotine vaping using three experimental pain induction tasks: a randomized, placebo-controlled laboratory study	63
Perceived changes in mental health and social engagement attributed to a single psychedelic experience in autistic adults: results from an online survey	60
Effects of lorazepam on saccadic eye movements – evidence from prosaccade and free viewing tasks	58
Optimizing esketamine administration for postoperative depression: a comprehensive study on laparoscopic bariatric surgery patients	52
Retraction Note: Long-term follow-up outcomes of MDMA-assisted psychotherapy for treatment of PTSD: a longitudinal pooled analysis of six phase 2 trials	51
Effect of caffeine on resting-state alpha activity across the human menstrual cycle	49
Sex-specific effects of neuromodulatory drugs on normal and stress-induced social dominance and aggression in rats	49
Comment on Flagel et al.: Sign-tracking as a predictor of addiction vulnerability	44
Effect of exercise duration on toluene-induced locomotor sensitization in mice: a focus on the Renin Angiotensin System	41
Ellagic Acid Reverses Alterations in the Expression of AMPA Receptor and Its Scaffolding Proteins in the Cerebral Cortex and Memory Decline in STZ-sporadic Alzheimer’ s Disease Mouse Model	38
Acute nicotine administration reduces the efficacy of punishment in curbing remifentanil consumption in a seeking-taking chain schedule of reinforcement	37
Neuroprotective effect of salidroside on hippocampal neurons in diabetic mice via PI3K/Akt/GSK-3β signaling pathway	36
Elucidating the molecular symphony: unweaving the transcriptional & epigenetic pathways underlying neuroplasticity in opioid dependence and withdrawal	36
Expectancy in placebo-controlled trials of psychedelics: if so, so what?	36
Neural underpinnings of response inhibition in substance use disorders: weak meta-analytic evidence for a widely used construct	35
A dose-ranging study of the physiological and self-reported effects of repeated, rapid infusion of remifentanil in people with opioid use disorder and physical dependence on fentanyl	35
Genetic association of the rs17782313 polymorphism with antipsychotic-induced weight gain	35
Operant novelty seeking predicts cue-induced reinstatement following cocaine but not water reinforcement in male rats	34
Memantine treatment does not affect compulsive behavior or frontostriatal connectivity in an adolescent rat model for quinpirole-induced compulsive checking behavior	33
Acute food deprivation-induced relapse to heroin seeking after short and long punishment-imposed abstinence in male rats	33
Elucidating the reinforcing effects of nicotine: a tribute to Nadia Chaudhri	33
Comparative effects of cannabinoid CB1 receptor agonist and antagonist on timing impulsivity induced by d-amphetamine in a differential reinforcement of low-rate response task in male rats	32
Sex differences in specific aspects of two animal tests of anxiety-like behavior	31

Gender dimorphic effect of dopamine D2 and muscarinic cholinergic receptors on memory retrieval	28
The efficacy and tolerability of inhaled nitrous oxide in major depressive disorder: a systematic review and meta-analysis	28
Age affects temporal response, but not durability, to serial ketamine infusions for treatment refractory depression	28