Academic Journal
Precision Imaging for Intraindividual Investigation of the Reward Response.
| Τίτλος: | Precision Imaging for Intraindividual Investigation of the Reward Response. |
|---|---|
| Συγγραφείς: | Mattoni M; Department of Psychology and Neuroscience, Temple University, Philadelphia, Pennsylvania, USA., Wang S; Department of Psychology and Neuroscience, Temple University, Philadelphia, Pennsylvania, USA., Sharp CJ; Department of Psychology and Neuroscience, Temple University, Philadelphia, Pennsylvania, USA., Olino TM; Department of Psychology and Neuroscience, Temple University, Philadelphia, Pennsylvania, USA., Smith DV; Department of Psychology and Neuroscience, Temple University, Philadelphia, Pennsylvania, USA. |
| Πηγή: | Human brain mapping [Hum Brain Mapp] 2026 Apr 01; Vol. 47 (5), pp. e70512. |
| Τύπος έκδοσης: | Journal Article |
| Γλώσσα: | English |
| Στοιχεία περιοδικού: | Publisher: Wiley Country of Publication: United States NLM ID: 9419065 Publication Model: Print Cited Medium: Internet ISSN: 1097-0193 (Electronic) Linking ISSN: 10659471 NLM ISO Abbreviation: Hum Brain Mapp Subsets: MEDLINE |
| Imprint Name(s): | Publication: New York : Wiley Original Publication: New York : Wiley-Liss, c1993- |
| Ιατρικοί όροι (MeSH): | Magnetic Resonance Imaging*/methods , Magnetic Resonance Imaging*/standards , Brain*/physiology , Brain*/diagnostic imaging , Brain Mapping*/methods , Reward* , Individuality*, Affect/physiology ; Humans ; Male ; Female ; Reproducibility of Results ; Adult ; Young Adult ; Image Processing, Computer-Assisted |
| Περίληψη: | The reliance of fMRI research on between-person comparisons is limited by low test-retest reliability and an inability to explain within-person processes. Intraindividual studies are needed to understand how changes in brain functioning relate to changes in behavior. Here, we present open data and analysis of a novel intensively sampled fMRI study. This precision imaging dataset includes 44 sessions acquired across four participants at a twice-weekly rate. In each session, participants completed multiple reward-related tasks, mood and alertness ratings, and a behavioral mood manipulation. We examined how the reward response reflects between-person or within-person variance. Trial-level models suggested dramatically more trials than typically collected are needed to maximize reliability within runs and individuals. Test-retest reliability of the reward response was very low and not explained by measurement error, suggesting low power for between-person comparisons without large amounts of data. At an intraindividual level, mood and alertness explained up to 37% of the intraindividual variance of the anticipatory reward response. Finally, we found that while reliability or brain-behavior associations were not improved by multi-echo denoising, a multivariate reward signature had stronger intraindividual behavioral associations than a univariate anatomical mask. Together, results suggest that the BOLD reward response is not a stable trait-like marker, but moderated by state-like factors. More broadly, BOLD activation to reward tasks-and likely other fMRI tasks-presents substantial opportunity for within-person study to complement the traditional focus on between-person study. We conclude with a discussion of considerations for intensive longitudinal neuroimaging designs. (© 2026 The Author(s). Human Brain Mapping published by Wiley Periodicals LLC.) |
| Σχόλια: | Update of: bioRxiv. 2025 Oct 09:2025.09.26.678878. doi: 10.1101/2025.09.26.678878.. (PMID: 41040147) |
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| Grant Information: | F31MH134533 United States MH NIMH NIH HHS; R01AG067011 United States NH NIH HHS |
| Entry Date(s): | Date Created: 20260325 Date Completed: 20260713 Latest Revision: 20260813 |
| Update Code: | 20260813 |
| PubMed Central ID: | PMC13140683 |
| DOI: | 10.1002/hbm.70512 |
| PMID: | 41877495 |
| Βάση Δεδομένων: | MEDLINE |
| ISSN: | 1097-0193 |
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| DOI: | 10.1002/hbm.70512 |