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Related Experiment Video

Updated: May 8, 2026

Preparation of Peripheral Nerve Stimulation Electrodes for Chronic Implantation in Rats
09:39

Preparation of Peripheral Nerve Stimulation Electrodes for Chronic Implantation in Rats

Published on: July 14, 2020

Peripheral Electrical Nerve Stimulation Rescues Spatial Memory Deficits in Vascular Cognitive Impairment Rats by

Lu Wang1, Jing-Wen Yang1, Qing-Yong Wang1

  • 1International Acupuncture and Moxibustion Innovation Institute, School of Acupuncture-Moxibustion and Tuina, Beijing University of Chinese Medicine.

Stroke
|May 7, 2026
PubMed
Summary

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This summary is machine-generated.

Peripheral electrical nerve stimulation (PENS) improves memory in vascular cognitive impairment (VCI) by activating a specific brain circuit. This study identifies the nucleus tractus solitarius-medial septum-hippocampus pathway as key to PENS

Area of Science:

  • Neuroscience
  • Pharmacology
  • Biomedical Engineering

Background:

  • Vascular cognitive impairment (VCI) is a common condition with no approved treatments.
  • Peripheral electrical nerve stimulation (PENS) shows potential for VCI, but its mechanisms are unclear.

Purpose of the Study:

  • To investigate the neurobiological mechanisms underlying PENS' therapeutic effects on VCI.
  • To identify specific neural circuits involved in PENS-mediated cognitive improvement.

Main Methods:

  • VCI was induced in rats using carotid artery occlusion.
  • Cognitive function was assessed using behavioral tests (Morris water maze, Y-maze, novel object recognition).
  • Synaptic plasticity, neural circuit activity (NTS-medial septum-hippocampus), and neurotransmitter levels were analyzed using electrophysiology, imaging, and molecular techniques.
Keywords:
acetylcholinecognitive dysunctionelectroacupunctureneural pathwaysspatial memory

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A Mouse Model for Vascular Cognitive Impairment and Dementia Based on Needle-guided Asymmetric Bilateral Common Carotid Artery Stenosis
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A Mouse Model for Vascular Cognitive Impairment and Dementia Based on Needle-guided Asymmetric Bilateral Common Carotid Artery Stenosis

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Related Experiment Videos

Last Updated: May 8, 2026

Preparation of Peripheral Nerve Stimulation Electrodes for Chronic Implantation in Rats
09:39

Preparation of Peripheral Nerve Stimulation Electrodes for Chronic Implantation in Rats

Published on: July 14, 2020

A Mouse Model for Vascular Cognitive Impairment and Dementia Based on Needle-guided Asymmetric Bilateral Common Carotid Artery Stenosis
05:12

A Mouse Model for Vascular Cognitive Impairment and Dementia Based on Needle-guided Asymmetric Bilateral Common Carotid Artery Stenosis

Published on: November 22, 2024

Main Results:

  • PENS treatment increased hippocampal acetylcholine levels and enhanced synaptic plasticity in VCI rats.
  • Activation of cholinergic neurons in the nucleus tractus solitarius (NTS) improved cognitive function.
  • The NTS-medial septum-CA1 cholinergic circuit was identified as crucial for PENS' spatial memory recovery effects.

Conclusions:

  • The NTS-medial septum-CA1 cholinergic circuit mediates PENS' reversal of spatial memory deficits in VCI.
  • This pathway represents a novel, spatially selective therapeutic target for VCI.