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When the central integrator disintegrates: A review of the role of the thalamus in cognition and dementia

  • J. Matthijs Biesbroek*
  • , Marieke G. Verhagen
  • , Stefan van der Stigchel
  • , Geert Jan Biessels
  • *Corresponding author for this work
  • Diakonessenhuis Utrecht
  • Flanders Institute for Biotechnology
  • KU Leuven
  • University Medical Center Utrecht

Research output: Contribution to journalReview articlepeer-review

Abstract

The thalamus is a complex neural structure with numerous anatomical subdivisions and intricate connectivity patterns. In recent decades, the traditional view of the thalamus as a relay station and “gateway to the cortex” has expanded in recognition of its role as a central integrator of inputs from sensory systems, cortex, basal ganglia, limbic systems, brain stem nuclei, and cerebellum. As such, the thalamus is critical for numerous aspects of human cognition, mood, and behavior, as well as serving sensory processing and motor functions. Thalamus pathology is an important contributor to cognitive and functional decline, and it might be argued that the thalamus has been somewhat overlooked as an important player in dementia. In this review, we provide a comprehensive overview of thalamus anatomy and function, with an emphasis on human cognition and behavior, and discuss emerging insights on the role of thalamus pathology in dementia.

Original languageEnglish
Pages (from-to)2209-2222
Number of pages14
JournalAlzheimer's and Dementia
Volume20
Issue number3
Early online date2 Dec 2023
DOIs
Publication statusPublished - Mar 2024

Bibliographical note

Publisher Copyright:
© 2023 The Authors. Alzheimer's & Dementia published by Wiley Periodicals LLC on behalf of Alzheimer's Association.

Funding

This study was supported by a Veni grant (Project 9150162010055) to JMB. GJB receives research support from TAP-dementia, a ZonMw-funded project (No. 10510032120003) in the context of the Dutch National Dementia Strategy and through Vici Grant 918.16.616 from ZonMW. This study was supported by a Veni grant (Project 9150162010055) to JMB. GJB receives research support from TAP\u2010dementia, a ZonMw\u2010funded project (No. 10510032120003) in the context of the Dutch National Dementia Strategy and through Vici Grant 918.16.616 from ZonMW.

FundersFunder number
Veni9150162010055, 10510032120003, 918.16.616
ZonMw

    UN SDGs

    This output contributes to the following UN Sustainable Development Goals (SDGs)

    1. SDG 3 - Good Health and Well-being
      SDG 3 Good Health and Well-being

    Keywords

    • cognition
    • dementia
    • functional anatomy
    • neuroanatomy
    • thalamus

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