11,317 real negative results, null findings, and replication failures in Medicine · Negative / Null Result Report. Search the index →
WASTE indexes published research — it does not host or republish full papers. Each entry is a metadata record compiled from open scholarly databases; the abstract is shown in full only where the paper is openly licensed, otherwise a short excerpt under fair use. Classifications are automated and approximate.
Jaraki D, Dorn A, Eckert T et al. · 2025 · Cureus
Background Intracranial atherosclerotic disease (ICAD) is a leading cause of ischemic stroke worldwide, with endovascular interventions such as angioplasty and stenting facing scrutiny due to variable safety outcomes in prior studies.…
View details →Zhu R, Huo Z, Li Y et al. · 2026 · Healthcare (Basel, Switzerland)
Background : Doctors have made increasing use of artificial intelligence-based clinical decision support systems in recent years in eastern China, but far less so in poorer western China, where hospitals with less access to specialized…
View details →Bai Y, Cao P, Kim C et al. · 2025 · The International journal on drug policy
Background In October 2018, Canada legalized recreational cannabis, with Ontario distributing retailer licenses through a lottery system in 2019. This study investigates the impact of recreational cannabis retailer allocation on emergency…
View details →Wehrman J · 2020 · Attention, perception & psychophysics
The oddball duration illusion describes how a rare or nonrepeated stimulus is perceived as lasting longer than a common or repeated stimulus. It has been argued that the oddball duration illusion could emerge because of an earlier…
View details →Wołoszyn K, Hohol M, Winkielman P · 2026 · Scientific reports
The embodied simulation approach predicts that restricting facial movements disrupts emotion recognition. Such effects have been reported for facial and whole-body emotional expressions, but findings remain inconsistent, and it is unclear…
View details →Brown CRH · 2026 · Psychological research
When stimuli are retained in visual working memory (VWM) external stimuli which overlap with this representation capture attention when performing a visual task. It has not been determined, however, whether this mechanism can partly…
View details →Palgi S, Bester-Arest T, Faivre N et al. · 2025 · Neuroscience of consciousness
The scope of unconscious integration is widely debated. Here, we examined this question, focusing specifically on deciphering the relations between two associatively related objects, in a set of five behavioral and electrophysiological…
View details →Song Z, Ding M, Zang Q et al. · 2025 · BMC cancer
Background Reproductive factors significantly impact the incidence of breast cancer (BC), a concerning trend. This study aims to reassess this association and provide recommendations for fertility policies to delay the onset of BC. Methods…
View details →Boran E, Stieglitz L, Sarnthein J · 2021 · Frontiers in human neuroscience
Rationale : High-frequency oscillations (HFOs) in intracranial EEG (iEEG) are used to delineate the epileptogenic zone during presurgical diagnostic assessment in patients with epilepsy. HFOs are historically divided into ripples (80-250…
View details →Zheng W, Liu X · 2025 · Behavioral sciences (Basel, Switzerland)
Metaphorical instructions are widely used in motor skill learning, yet their impact on learning and memory processes in children remains underexplored. This study examined whether metaphor-based language could enhance children's…
View details →Avalos C, Shryane N, Wang Y · 2026 · Nutrients
Objective This study investigates the association between consumers' perceived readability of Multiple Traffic Light (MTL) label print size-a theoretical structural gatekeeper for visual salience-and self-reported food consumption…
View details →Aikawa T, Mori Y, Kuno T et al. · 2026 · JACC. Advances
Background In April 2020, the facility criteria for using rotational atherectomy (RA) during percutaneous coronary intervention (PCI) were updated in Japan. Board-certified PCI operators are now permitted to perform RA during PCI in…
View details →Lupien SJ, Roy DC, Raymond C et al. · 2020 · Development and psychopathology
Stress associated with caring for a mentally ill spouse can adversely affect the health status of caregivers and their children. Adding to the stress of caregiving is the stigma often placed against spouses and children of people with…
View details →Rostgaard K, Kristjánsson R, Davidsson O et al. · 2025 · Frontiers in epidemiology
Background The probability of presenting with infectious mononucleosis (IM) upon primary Epstein-Barr virus infection increases dramatically at the start of puberty. Aiming to understand why that is, we assessed whether the number of…
View details →Jackson E, Riley T, Overton PG · 2026 · PloS one
Background Although several effective therapies exist for Attention Deficit Hyperactivity Disorder (ADHD), current pharmaceutical treatment carries a high risk of misuse and high levels of discontinuation, evidencing a need for…
View details →Kim SJ, Shin SH, Byun SW et al. · 2025 · Scientific reports
This study assessed whether resting-state quantitative EEG (qEEG) can differentiate tinnitus laterality under rigorous multiple-comparison control and nested, cross-validated machine learning (ML). We analyzed 210 pre-specified qEEG…
View details →Walasek L, Mullett TL, Stewart N · 2021 · Journal of experimental psychology. General
Walasek and Stewart (2015) demonstrated that loss aversion estimated from fitting accept-reject choice data from a set of 50-50 gambles can be made to disappear or even reverse by manipulating the range of gains and losses experienced in…
View details →Benedetti MH, Lu B, Zhu M · 2024 · Biometrical journal. Biometrische Zeitschrift
A concern surrounding marijuana legalization is that driving after marijuana use may become more prevalent. Survey data are valuable for estimating policy effects, however their observational nature and unequal sampling probabilities…
View details →Jin T, Gebre ST, Miller CJ et al. · 2025 · Journal of the American Chemical Society
Molecular polaritons, formed by coupling molecular electronic or vibrational transitions to photonic modes in microcavities, have gained interest for their potential to influence chemical dynamics. Here, we investigate the effects of…
View details →Oosthuizen MK, Pillay N · 2026 · Developmental psychobiology
Weaning is a stressful stage in the lives of young mammals. Early weaning, in particular, can lead to long-lasting physiological and psychological changes. We investigated the effects of precocial weaning on anxiety, social behavior,…
View details →Denherder S, Neff D, Speck B et al. · 2025 · Developmental psychobiology
The COVID-19 pandemic introduced challenges for keeping participants and research assistants safe during laboratory visits. One solution was administering research assessments in the participant's home via an online platform, despite…
View details →Tang H, Shen L · 2025 · Frontiers in psychology
Objective As university libraries transform into "Learning Commons," peer collaborative learning has become increasingly common. However, the complexity of its effectiveness and its underlying mechanisms remain underexplored. This study…
View details →Berks JW, Williams MN · 2026 · Europe's journal of psychology
According to creative writing experts, adding conflict to dialogue improves story quality and audience reaction to that story. This idea draws from the widely held theory that conflict is vital for dramatic stories. Yet despite conflict's…
View details →Hu G, Woodman GF · 2024 · Visual cognition
Previous research suggests that applying anodal transcranial direct-current stimulation (tDCS) to the medial-frontal cortex can improve how quickly subjects learn to make simple discriminations (i.e., red from blue). Here, we tested the…
View details →Nilsen K, Kivi R, Laine M et al. · 2024 · Scientific reports
Although evidence of recovery in Antarctic stratospheric ozone has been found, evidence of recovery in Arctic ozone is still elusive, even though 25 years have passed since the peak in ozone depleting substances. Here we have used a…
View details →Lee SY, Shin SJ, Lee J et al. · 2025 · Scientific reports
Patients with open-angle glaucoma (OAG), a chronic visual impairment, are at elevated risk of developing depression. Physical activity (PA) has been associated with benefits for mental health, but evidence is limited regarding its impact…
View details →Perez-Arce F, Knapp D, Lobo R et al. · 2026 · Social science & medicine (1982)
Background A growing literature suggests that education positively influences cognitive function in later life. However, the magnitude and consistency of this effect across study designs and populations remain open questions. Methods This…
View details →Rodenhurst N, Messenger K · 2026 · Developmental science
Previous research into children's comprehension of syntactic structures has investigated early awareness of transitive and intransitive structures amongst monolingual children but research into bilingual children's understanding of the…
View details →Robins PL, Gilbert JR, Luber B et al. · 2026 · Human brain mapping
A core function of episodic memory is to distinguish between overlapping experiences by converting similar inputs into distinct, non-overlapping representations, a process termed pattern separation. While anatomical models emphasize the…
View details →Dong Y · 2026 · Brain and language
Drawing on interpreting research and intervention studies, this article proposes that the interplay between attentional control (AC) and language task schemas (TSs) effectively explains how language experience may enhance AC, and…
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