Evidence map›Paper›PMID 40036945›Full record

Trial reportSchizophrenia bulletin2025

Potential Delayed Positive Effects of tDCS on Improving Introspective Accuracy in Social Cognition in Schizophrenia.

Linlin Fan, Emily Bass, Hans Klein, Cassi Springfield, Sven Vanneste, Amy E Pinkham

Abstract readRandomized Controlled Trial
In one paragraph

Trial report in Schizophrenia bulletin, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.

0numbers the graph read from it
0cells of the map it votes in
4citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

4 citing papers in PubMed.

  1. Combining transcranial electrical stimulation with training in older adults: Effects on dual-task ability.Neurotherapeutics : the journal of the American Society for Experimental NeuroTherapeutics · 2026
    Trial
  2. Article
  3. Review
  4. Review
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

6 authors.

Linlin FanDepartment of Psychology, Faculty of Social Sciences, University of Macau, Macao SAR, China.
Emily BassSchool of Behavioral and Brain Sciences, The University of Texas at Dallas, Richardson, TX, United States.
Hans KleinSchool of Behavioral and Brain Sciences, The University of Texas at Dallas, Richardson, TX, United States.
Cassi SpringfieldSchool of Behavioral and Brain Sciences, The University of Texas at Dallas, Richardson, TX, United States.
Sven VannesteSchool of Behavioral and Brain Sciences, The University of Texas at Dallas, Richardson, TX, United States.ORCID 0000-0003-1513-5752
Amy E PinkhamSchool of Behavioral and Brain Sciences, The University of Texas at Dallas, Richardson, TX, United States.ORCID 0000-0003-2803-4520

Funding

The University of Texas at Dallas
6 · The paper itself

Abstract

background and hypothesisImpairments in introspective accuracy (IA) are prominent among schizophrenia patients and detrimentally affect daily functioning, making IA a potential therapeutic target. Recent research highlights the role of the right rostrolateral prefrontal cortex (rlPFC) in IA and suggests that transcranial direct current stimulation (tDCS) to this region may improve it. Therefore, we tested whether applying tDCS to the right rlPFC could enhance IA for schizophrenia patients and explored the potential order/delayed effects. STUDY

designA randomized, double-blind, sham-controlled crossover design was used. Patients with a schizophrenia spectrum disorder (N = 40) underwent 2 tDCS sessions targeting right rlPFC (one was active stimulation and the other was sham) about a week apart. After each session, participants completed executive function and emotion recognition tasks for evaluating IA. STUDY

resultsWhen ignoring order effects, tDCS did not affect performance, IA, or confidence ratings across 3 tasks, except for increased confidence ratings in the cognitive task after active stimulation versus sham. However, considering order effects revealed significant interaction effects between condition and order for both task performance and IA. The group receiving active stimulation at visit 1 (Active First) generally improved over time in both cognitive and social cognitive task performance and in social cognitive IA, specifically for emotion recognition ability. In contrast, the group receiving sham stimulation at visit 1 (Sham First) showed no change in performance or IA over time.

conclusionsOur findings provide preliminary evidence for potential positive, but delayed, effects of tDCS in improving task performance and IA in schizophrenia.

Indexed as

Cognitive DysfunctionExecutive FunctionPrefrontal CortexSchizophreniaSocial CognitionSocial PerceptionTranscranial Direct Current StimulationAdultCross-Over StudiesDouble-Blind MethodFemaleHumansMaleMiddle AgedYoung Adultintrospective accuracyneuromodulationschizophreniasocial cognitiontranscranial direct current stimulation

Identifiers

PMID40036945
PMCPMC12414569

What OpenQuestion holds

Textmetadata
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.