The urgency behind the work is stark. Suicide is the second leading cause of death among United States children and young adolescents aged 10 to 14, and preadolescent suicide increased by an average of 8.3 percent annually between 2008 and 2022. Mortality then climbs steeply with age, from 2.8 per 100,000 people at ages 10 to 14 to 10.57 per 100,000 at ages 15 to 19. Suicidal ideation is one of the strongest known predictors of a subsequent suicide attempt, and an estimated 17 percent of preadolescents who report such thoughts will go on to attempt one. Yet almost nothing is known about the neural mechanisms of suicidal thinking at ages 9 and 10 — the developmental window that opens just before the surge in attempts seen in later preadolescence and adolescence. Understanding what happens inside the maturing brain at this precise moment, the authors argue, is essential for building interventions before risk escalates.

The study homes in on reward processing, one of the most intensively studied systems in psychiatric neuroscience. Decades of work have tied suicide risk to disruptions in how the brain computes value, assigns salience and guides decisions. Across monetary and risk-based paradigms, adults with a history of suicidal thoughts or behaviors have exhibited both increased and decreased recruitment of reward-related regions — the subgenual anterior cingulate cortex, the insula, the orbitofrontal cortex and the caudate — with the direction of effect shifting by population and task condition. Studies in adolescents tell an equally tangled story: suicidal ideation has been linked to blunted activation during high-risk conditions, reduced striatal response to predictable gains, heightened salience responses under uncertainty, and exaggerated reactions to negative social feedback and self-appraisals. One suspect behind the inconsistency, the researchers reasoned, is methodological: most studies collapse suicidal ideation into a single group, and nearly none had probed the brains of the youngest children.

Indeed, only one prior study had directly examined reward-related brain activation in preadolescent suicidality. Using the ABCD baseline sample, Vidal-Ribas and colleagues in 2021 tested 167 predefined regions of interest during a reward task and found no significant associations with youth- or parent-reported lifetime suicidal thoughts and behaviors; the sole corrected finding was thinner cortex in the left superior temporal sulcus for parent-reported suicidality, a region far removed from reward circuitry. The new study, led by Alyssa J. Parker, Annika J. Quam, Johanna C. Walker, Jillian Lee Wiggins and Lea R. Dougherty of the University of Maryland and San Diego State University, departed from that constrained approach in two ways. First, it replaced predefined regions with flexible, data-driven whole-brain analyses capable of surveying the entire brain. Second, it treated reporter identity as a variable in its own right. Parents and children agree remarkably rarely about whether a child has experienced suicidal thoughts; in this sample, agreement between the two reporters was low (kappa = 0.14), suggesting each informant may capture a different behavioral reality.

The data came from the baseline wave of the ABCD Study, a longitudinal project following more than 10,000 American children from age 9 or 10 into early adulthood. From 11,874 children in data Release 4.0, 5,702 participants with a mean age of 9.96 years survived stringent exclusions for incomplete records, poor task performance, failed fMRI quality checks and histories of brain trauma or seizures. Each child performed the Monetary Incentive Delay task inside a 3-tesla MRI scanner at one of 21 sites. In this paradigm, an anticipatory cue lasting two to six seconds signals whether a fast response to an upcoming target will win money, lose money or carry no monetary stakes; a feedback screen lasting 1.5 to 1.8 seconds then reveals whether the child hit or missed the target. Difficulty adapts dynamically so every child succeeds on roughly 60 percent of trials, standardizing the challenge across the sample. Preprocessing included motion correction, denoising, band-pass filtering, censoring of high-motion time points and spatial smoothing with a 6-millimeter kernel, with anticipation and feedback modeled using the dmBLOCK approach. The team then used AFNI’s 3dMVM software to test how reporter group, task condition and performance interacted to shape activation across the whole brain, entering scanner serial number as a covariate to absorb hardware differences between sites. Significant clusters required a voxel-wise threshold of p = .001 and a minimum of 37 voxels, corrected for multiple comparisons through family-wise error rate. Follow-up models in R, nested by scanner and family and controlling for sex at birth, pubertal development, age and parental education, applied robust mixed-effects statistics with false-discovery-rate-corrected comparisons. The sample divided into four groups: 5,294 dyads in which neither reporter endorsed ideation, 200 in which only the child did, 169 in which only the parent did, and 39 in which both did.

During the anticipation period, whole-brain analysis uncovered significant group-by-condition interactions in seven clusters spanning the left middle frontal, superior medial and superior parietal gyri, the right angular, temporal and postcentral gyri, and the bilateral lingual gyrus. The 39 children endorsed by both reporters stood out sharply: relative to every other group, their activation was significantly blunted while anticipating both rewards and losses across these frontal, parietal and occipital regions. The picture inverted for the discordant groups. Children flagged by a single informant showed heightened anticipation activation compared with children free of reported ideation, and the parent-only group exceeded even the child-only group in several regions during loss anticipation. Main effects of reporter group also surfaced in the left precuneus and middle temporal gyrus, where children with reported ideation generally out-activated the no-ideation group, with the parent-only group often highest of all. The effect sizes were statistically modest — partial eta-squared values between 0.002 and 0.004 — but they emerged consistently in a sample of nearly six thousand and withstood covariate adjustment.

The feedback period told a different and, in some respects, more surprising story. Fifteen clusters spanning frontal, temporal, cingulate, parietal, occipital and subcortical territory showed group-by-condition interactions once outcomes were revealed. Here the both-reporter group reversed direction: after receiving rewards and losses, its activation rose above that of the no-ideation group and both single-reporter groups, spanning the right middle and superior temporal gyri, the inferior occipital and fusiform gyri, and the left cingulate, middle cingulate, insula, thalamus, supramarginal gyrus and rolandic operculum. Yet during reward receipt specifically, the same children showed significantly reduced activation in the left superior parietal lobe relative to all other groups, and the no-ideation group generated stronger left insula responses than the child-only group when receiving losses. The insula, thalamus and prefrontal regions implicated here, the authors note, mark candidate targets for neurologically informed interventions.

To the authors, these two patterns describe distinct neurophenotypes of early suicidal ideation. When both a child and a parent acknowledge the thoughts — typically the more severe or outwardly visible presentations — the brain under-responds while anticipating incentives, echoing prior reports of blunted reward responsiveness in youth with suicidal ideation, from EEG recordings to fMRI studies of predictable gains and positive self-appraisal. Blunted reward reactivity is also linked more broadly to psychopathology, childhood adversity and vulnerability to addiction. When only one informant endorses, however, the brain over-responds, both while anticipating outcomes and after receiving them — a profile reminiscent of heightened reward salience, a mechanism implicated in impulsivity, substance use and risk-taking. This reporter-dependence, the team argues, may explain why decades of research on reward processing and suicidality have pointed in contradictory directions: pooling informants fuses biologically distinct groups into a single average that resembles neither. The conclusion dovetails with earlier ABCD analyses in which parent-reported, but not youth-reported, suicidality predicted cortical thinning, while both reporters were tied to altered default mode network connectivity.

The study carries important caveats. The both-reporter group contained only 39 children, against 5,294 with no reported ideation — an imbalance that constrains statistical power and generalizability. Suicidal ideation was captured with dichotomous items from a structured diagnostic interview rather than a continuous severity scale, and excluded participants were slightly more likely than included ones to have child-reported ideation. Because the design is cross-sectional, it cannot establish which informant better forecasts future risk, or how these neural signatures evolve across adolescence. Supplementary analyses controlling for concurrent internalizing and externalizing symptoms, and substituting passive for active ideation, left the pattern largely intact.

The clinical implications are already taking shape. For children whose ideation is recognized by both themselves and their parents, the blunted anticipation response points toward interventions that help youth attend to, savor and value rewarding experiences — approaches aimed at the anhedonia-like profile long associated with dampened reward function. For single-reporter presentations, the exaggerated responses suggest the opposite need: helping children regulate an amplified salience response to incentives and losses, the same circuitry implicated in impulsivity and early substance use. Above all, the authors contend, assessment must be multi-informant. Parent report alone or child report alone may each miss a distinct subgroup, whereas the two reports together sketch a fuller neural map of early suicidal thinking. Supported by a National Institutes of Health grant, the team now calls for longitudinal studies tracing how these reward signatures unfold across development — work aimed at catching, and redirecting, the brain states that precede adolescent suicide attempts.

Major depressive disorder is more than a period of sadness. It can involve persistent low mood, loss of interest or pleasure, sleep and appetite disturbances, impaired concentration, fatigue, feelings of worthlessness and, in some cases, suicidal thinking. Adolescence is a particularly sensitive period because the brain is undergoing extensive structural and functional maturation. Circuits involved in emotional regulation, reward processing, motivation and cognitive control are still developing, while social and academic pressures can intensify. Although psychotherapy and antidepressant medication can be effective, not every adolescent responds sufficiently, and some experience side effects or difficulty maintaining treatment. These limitations have encouraged interest in neuromodulation, which aims to influence brain activity directly without surgery.

iTBS is a specialized form of transcranial magnetic stimulation. The technique uses a magnetic coil placed against the scalp to generate brief electrical currents in targeted areas of the cerebral cortex. In iTBS, magnetic pulses are delivered in bursts arranged around the brain’s natural theta rhythm, generally at about five bursts per second. Each burst contains a rapid sequence of pulses, producing a pattern designed to strengthen or weaken synaptic activity depending on the treatment parameters. For depression, stimulation is commonly directed toward the left dorsolateral prefrontal cortex, a region involved in planning, attention and the regulation of emotional responses. Unlike older repetitive TMS protocols, iTBS can deliver a therapeutic session in only a few minutes, making it more practical for repeated use.

The phrase “accelerated–maintenance” describes a two-stage treatment architecture. The accelerated phase compresses several stimulation sessions into a short period, potentially allowing therapeutic effects to emerge more rapidly than with a conventional schedule of one session per weekday over several weeks. The maintenance phase then provides additional sessions after the initial course, with the aim of preserving or extending the response. This distinction is important because depression treatment is often challenged not only by slow improvement but also by relapse. A patient may respond during an intensive intervention yet experience a return of symptoms after treatment ends. A protocol that integrates early acceleration with planned maintenance is therefore designed to address both speed and durability.

The adolescent focus gives the study particular importance. Treatments developed primarily in adults cannot automatically be assumed to work in younger patients in the same way. The adolescent brain differs in anatomy, connectivity, excitability and developmental stage, factors that can influence how magnetic stimulation is delivered and how the brain responds. Researchers must also consider practical issues such as tolerability, anxiety about the equipment, family involvement, school schedules and the ability to complete repeated visits. Evaluating iTBS directly in adolescents can help clarify whether the approach is feasible for this age group and how clinical improvement relates to measurable changes in brain function.

The study’s emphasis on both clinical and neural effects reflects a broader shift in psychiatric research. Traditional clinical trials often rely on symptom questionnaires and structured diagnostic assessments to determine whether a treatment works. Those measures remain essential, but they do not fully reveal how an intervention changes the brain. Neuroimaging and other physiological tools can provide additional information about activity and connectivity in networks associated with depression. For example, researchers may examine communication between the prefrontal cortex and limbic regions involved in threat and emotion, or investigate the coordination of large-scale networks involved in self-focused thought and cognitive control. Such measurements can help identify biological signatures of response, although they do not by themselves prove that a specific neural change caused clinical recovery.

A key technical question is how repeated stimulation modifies neural circuits over time. The effects of TMS are thought to depend partly on synaptic plasticity, the capacity of connections between neurons to become stronger or weaker in response to patterned activity. iTBS may influence excitability in the stimulated cortex and alter communication with connected regions. When sessions are clustered closely together, the timing between treatments could affect how these plastic changes accumulate. Maintenance sessions may then reinforce the altered pattern of activity. The biological process is not equivalent to simply “resetting” the brain; rather, it involves modulating networks that may be operating in rigid or poorly coordinated states during depression.

The publication is also relevant to the growing debate over how psychiatric treatments should be personalized. Some adolescents may improve quickly, while others require longer or repeated intervention. Neural measures could eventually help clinicians determine who is most likely to benefit, how much stimulation is needed and when maintenance treatment should be scheduled. However, such applications require strong evidence from carefully controlled studies. Brain changes can reflect many factors, including symptom improvement, sleep, medication use, developmental maturation or repeated exposure to the study environment. A neural signal becomes clinically useful only when it can reliably predict outcomes across independent groups and real-world settings.

Because the available citation identifies the article and its topic but does not provide the study’s sample size, treatment schedule, comparison group, outcome measures or numerical results, the precise magnitude of benefit cannot be responsibly stated here. The paper’s title establishes that the investigators examined clinical and neural effects of a hybrid accelerated–maintenance iTBS protocol in adolescents with major depressive disorder, but it does not reveal whether the protocol outperformed another treatment, how long improvements lasted or which brain networks changed. Those details are essential for judging the strength of the evidence. The study should therefore be viewed as part of an advancing research field rather than as proof that iTBS is a universal solution for adolescent depression.

Even so, the research captures why neuromodulation is becoming one of the most closely watched areas in mental-health science. A noninvasive treatment that can be delivered quickly, repeated flexibly and paired with biological measurements could eventually complement psychotherapy and medication for selected young patients. The most important next steps will include replication in larger and more diverse adolescent populations, longer follow-up, transparent reporting of side effects and comparisons with established treatments. If accelerated stimulation can produce rapid improvement and maintenance sessions can help prevent relapse, the approach could reshape how clinicians think about the timing of depression care. For now, the new Translational Psychiatry paper adds a significant question to the field: whether strategically timed magnetic stimulation can influence both the symptoms of adolescent depression and the neural systems that sustain them.

Subject of Research: Hybrid accelerated–maintenance intermittent theta-burst stimulation (iTBS) for adolescents with major depressive disorder, including clinical outcomes and associated neural effects.

Article Title: Clinical and neural effects of a hybrid accelerated–maintenance iTBS protocol in adolescents with major depressive disorder.

Article References: Yu, Z., Zhang, B., Sun, Y. et al. “Clinical and neural effects of a hybrid accelerated–maintenance iTBS protocol in adolescents with major depressive disorder.” Translational Psychiatry (2026). https://doi.org/10.1038/s41398-026-04380-0

Image Credits: AI Generated

DOI: https://doi.org/10.1038/s41398-026-04380-0

Keywords: adolescent depression, major depressive disorder, intermittent theta-burst stimulation, iTBS, transcranial magnetic stimulation, neuromodulation, brain plasticity, maintenance treatment, accelerated treatment, Translational Psychiatry

The findings, detailed in a recent publication in JAMA Network Open, utilize data from one of the most extensive adolescent brain development studies in the United States. The researchers emphasize that the stigmatization related to gender diversity has concrete neuropsychiatric consequences, underscoring the real-life impact of abstract policy decisions on young people’s psychological well-being.

Lead investigator Carrie Bearden, professor of psychiatry at UCLA’s Semel Institute of Neuroscience and Human Behavior and the UCLA Brain Research Institute, points out that bullying and unsupportive legislation are far from distant political issues—they manifest as serious, tangible symptoms in the daily lives of adolescents. These symptoms include what are termed psychotic-like experiences (PLEs), which encompass subtle yet distressing internal experiences like heightened suspiciousness, paranoid thoughts, hearing sounds absent to others, or feeling threatened.

It is crucial to distinguish PLEs from clinical psychosis; they are not themselves psychotic episodes but serve as warning signs for potential escalations into serious mental health disorders including depression, anxiety, self-harm behaviors, and full-blown psychotic disorders if left untreated. The UCLA study highlights how these experiences disproportionately affect gender-diverse youth who face bullying and live under adverse legislative climates.

The research team analyzed data sourced from the Adolescent Brain Cognitive Development (ABCD) Study, an expansive, longitudinal dataset tracking over 8,400 adolescents across 21 sites in 17 U.S. states since they were nine years old. The analysis comprised a cross-sectional assessment of more than 8,000 adolescents averaging 13 years of age, as well as a longitudinal follow-up of approximately 4,200 adolescents over five waves of data collection between 2017 and 2022.

Key variables were meticulously measured: gender diversity was assessed not simply through binary identification but as a dimensional variable representing the congruency or incongruency of an adolescent’s felt gender relative to their birth-assigned sex. Experiences of bullying were self-reported in terms of frequency, while PLEs were evaluated using the Prodromal Questionnaire-Brief Child Version, a validated tool designed to screen for subtle psychological symptoms accompanied by subjective distress.

To understand the influence of sociopolitical contexts, researchers incorporated state-level policy data from the Movement Advance Project (MAP), categorizing states by their legislative stance on gender identity protections. This approach allowed for a nuanced examination of how persistent legislative support or opposition impacts the trajectory of psychological symptoms in youth.

The study’s results show that gender-diverse youth experience significantly higher rates of both bullying and PLEs compared with their cisgender peers. Notably, bullying was found to mediate about 18% of the increased PLEs observed among gender-diverse adolescents, highlighting its critical role in the mental health disparities seen in this population.

While immediate cross-sectional snapshots did not reveal differences influenced by state policy, longitudinal data painted a darker picture. Adolescents residing in states with consistently unsupportive gender identity laws exhibited significant increases in PLEs over a four-year period—contrasting with peers in other contexts where symptom levels either decreased or remained stable over time.

This trend underscores the insidious effect of sustained legislative hostility toward gender diversity. Chronic exposure to such environments, compounded by bullying, likely induces a state of heightened vigilance or hypervigilance—a psychological mechanism closely tied to the emergence of psychotic-spectrum symptoms, including paranoia and perceptual disturbances.

The study situates its findings within a broader, troubling social landscape. Between 2017 and 2022, the proportion of U.S. adolescents identifying as transgender or gender-diverse doubled from 0.73% to 1.43%. Simultaneously, anti-LGBTQ+ legislation surged dramatically; over 600 such bills were introduced nationwide in 2025 alone, representing a twofold increase from just three years prior, according to data from the ACLU.

Prior research cited by the authors also links the passage of unsupportive laws between 2018 and 2020 with devastating increases in suicide attempts among transgender and gender-diverse youth, ranging from 7% to 72%. This milieu of legislative and social adversity appears to exacerbate psychological stress and poses profound public health challenges.

The research highlights a critical need for both clinical and policy-level interventions. Clinicians are urged to integrate inquiries about patients’ social environments into their assessments to identify stressors that may contribute to psychiatric symptoms. By recognizing the impact of sociopolitical adversity, healthcare providers can better tailor treatment and prevention strategies for gender-diverse youth.

Moreover, the study calls attention to the vital role policymakers and voters play in shaping environments that either protect or harm vulnerable populations. Legislative decisions carry downstream mental health consequences that extend well beyond laws themselves, influencing the developmental trajectories of adolescents grappling with gender identity.

Funding for this important study was provided by the National Institute of Neurological Disorders and Stroke and the National Institute of Mental Health, both components of the National Institutes of Health (NIH). The research team included Dr. Chang, Dr. Cardenas-Iniguez, and Dr. Bearden, who disclosed minor grants unrelated to the work, ensuring transparency and independence of findings.

This comprehensive study advances the understanding of how intertwining factors—gender diversity, bullying victimization, and state-level policy climates—collectively shape the mental health outcomes of young people. It affirms that mental health disparities experienced by gender-diverse adolescents are socially determined and underscores the urgent need for supportive legislation and inclusive social environments to foster psychological resilience.

Subject of Research: People
Article Title: Bullying, State Policy, and Mental Health Symptoms in Gender-Diverse Youths
News Publication Date: 21-Apr-2026
Web References:

• Study Article: https://jamanetwork.com/journals/jamanetworkopen/fullarticle/10.1001/jamanetworkopen.2026.8104
• UCLA Transgender Study: https://williamsinstitute.law.ucla.edu/publications/trans-adults-united-states/
• Additional Research on Suicide Attempts: https://pubmed.ncbi.nlm.nih.gov/39327480/

Keywords: Gender identity, Gender bias, Transgender identity, Transsexuality, Psychiatric disorders, Psychiatry, Mental health, Psychological stress, Depression, Psychotic disorders, Paranoia, Psychosis, Schizophrenia, Government, Legislation, State law, Harassment, Physical abuse, Emotional abuse, Antisocial behavior, Social exclusion, Aggression