Cited by 31Neurological disorders and treatmentsVagus Nerve Stimulation ResearchTranscranial Magnetic Stimulation Studies

Deep brain stimulation of the nucleus basalis of Meynert attenuates early EEG components associated with defective sensory gating in patients with Alzheimer disease – a two‐case study

Dürschmid, Stefan, Reichert, Christoph, Kuhn, Jens, Freund, Hans‐Joachim, Hinrichs, Hermann, Heinze, Hans‐Jochen·2020·European Journal of Neuroscience

Abstract

Alzheimer′s disease (AD) is associated with deterioration of memory and cognitive function and a degeneration of neurons of the nucleus basalis of Meynert (NBM). The NBM is the major input source of acetylcholine (AC h) to the cortex. The decreasing cholinergic innervation of the cortex due to degeneration of the NBM might be the cause of loss of memory function. NBM‐Deep brain stimulation (NBM‐DBS) is considered to serve as a potential therapeutic option for patients with AD by supporting residual cholinergic transmission to stabilize oscillatory activity in memory‐relevant circuits. However, whether DBS could improve sensory memory functions in patients with AD is not clear. Here, in a passive auditory oddball paradigm, patients with AD (N = 2) listened to repetitive background tones (standard tones) randomly interrupted by frequency deviants in two blocks with NBM‐DBS OFF and then NBM‐DBS ON, while age‐matched healthy controls (N = 6) repeated the experiment twice. The mismatch negativity in NBM‐DBS OFF significantly differed from controls in both blocks, but not under NBM‐DBS, which was likely due to a pronounced P50 increase overlapping with the N1 in NBM‐DBS OFF. This early complex of EEG components recovered under stimulation to a normal level as defined by responses in controls. In this temporal interval, we found in patients with NBM‐DBS ON (but not with NBM‐DBS OFF) and in controls a strong repetition suppression effect to standard tones – with more attenuated responses to frequently repeated standard tones. This highlights the role of NBM‐DBS for sensory gating of familiar auditory information into sensory memory.

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Crossref · 10.1111/ejn.13749

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  • The cholinergic deficit in AD is one mechanism by which cortical generators of the neurophysiological response may differ.

    “The cholinergic deficit in AD is one mechanism by which cortical generators of the neurophysiological response may differ.”
  • Mismatch negativity responses are altered by cholinergic antagonists and by deep brain stimulation of the nucleus basalis of Meynert.

    “For example, mismatch negativity responses are altered by cholinergic antagonists 39 and by deep brain stimulation of the nucleus basalis of Meynert, a major source of cholinergic innervation of the cortex. 40”

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Authors
Dürschmid, S., Reichert, C., Kuhn, J., Freund, H., Hinrichs, H., & Heinze, H.
Affiliations
  • Otto-von-Guericke-Universität Magdeburg (DE)
  • Leibniz Institute for Neurobiology (DE)
  • University of Cologne (DE)
  • German Center for Neurodegenerative Diseases (DE)
Corresponding author
Dürschmid, Stefan
Venue
European Journal of Neuroscience
Publisher
Wiley
Published
2017-11-22
Volume
51
Issue
5
Pages
1201-1209
ISSN
  • 0953-816X (ISSN-L)
  • 1460-9568
OpenAlex
W2767097370
Cited by
31
References
56
Citations by year
2026: 1 · 2025: 4 · 2024: 4 · 2023: 2 · 2022: 7 · 2021: 4 · 2020: 1 · 2019: 4 · 2018: 4
FWCI
1.71
Type
journal article
Language
en
Open access
closed
Locations
  • European Journal of Neuroscience (publishedVersion)
  • PubMed (publishedVersion)
  • DZNE Pub (submittedVersion)
Funders
Bundesministerium für Bildung und Forschung (13GW0095A, 13GW0095D)
Topics
  • Health Sciences › Medicine › Neurology › Neurological disorders and treatments
  • Life Sciences › Neuroscience › Neurology › Vagus Nerve Stimulation Research
  • Life Sciences › Neuroscience › Neurology › Transcranial Magnetic Stimulation Studies
Keywords
deep brain stimulation, nucleus basalis of Meynert, Alzheimer's disease, sensory gating, mismatch negativity, auditory oddball paradigm, P50, N1, repetition suppression, sensory memory, cholinergic neurotransmission, acetylcholine
MeSH terms
Alzheimer Disease, Electroencephalography, Humans, Basal Nucleus of Meynert, Deep Brain Stimulation, Sensory Gating

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