Research Progress of Transcranial Direct Current Stimulation Therapy for Cognitive Impairment after Stroke

Post-stroke cognitive impairment (PSCI) refers to the symptoms of cognitive decline after stroke, which seriously impairs patients' quality of life and survival time. Compared with cognitive impairment caused by other neurological diseases, preventability and treatability are important characte...

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Main Authors: LIU Yuanchen, ZHANG Lixin
Format: Article
Language:English
Published: Editorial Office of Rehabilitation Medicine 2024-06-01
Series:康复学报
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Online Access:http://kfxb.publish.founderss.cn/thesisDetails#10.3724/SP.J.1329.2024.03013
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author LIU Yuanchen
ZHANG Lixin
author_facet LIU Yuanchen
ZHANG Lixin
author_sort LIU Yuanchen
collection DOAJ
description Post-stroke cognitive impairment (PSCI) refers to the symptoms of cognitive decline after stroke, which seriously impairs patients' quality of life and survival time. Compared with cognitive impairment caused by other neurological diseases, preventability and treatability are important characteristics of PSCI, making early intervention particularly important. Transcranial direct current stimulation (tDCS) is a non-invasive brain stimulation technique with the advantages of high safety and low pain, and it is an effective neurological rehabilitation treatment for PSCI. The tDCS treatment regimen for PSCI usually consists of a stimulation intensity of 1 to 2 mA applied to the dorsolateral prefrontal cortex for 20 to 30 minutes. The stimulation site is usually the dorsolateral prefrontal lobe, but researchers have also confirmed the effectiveness of other stimulation sites, such as the bilateral M1 area and right parietal cortex. tDCS improves cognitive function by affecting neurotransmitters (such as calcium ions and γ-aminobutyric acid in astrocytes), the state of neurons, cerebral blood flow, and the connectivity of functional areas of the brain. tDCS not only produces an immediate boosting effect and an after-effect that is effective about 1 hour after stimulation, but also has long-term enhancement (LTP) and long-term depression (LTD) effects. Therefore, the timing of treatment should be grasped when tDCS is applied clinically. At present, various traditional treatments for cognitive function (such as drug therapy, cognitive training, virtual reality technology, acupuncture, etc.) have their own strengths, but there are still problems such as adverse drug reactions, long treatment time and slow recovery. In order to overcome the limitations and shortcomings of tDCS alone and to achieve a better therapeutic effect, the combined application of other cognitive rehabilitation measures at the same time or within 1 hour of tDCS stimulation is an alternative approach. This article aims to review the research progress of tDCS and other cognitive rehabilitation methods in PSCI, so as to provide therapeutic experience and reference for the comprehensive rehabilitation of PSCI.
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spelling doaj-art-01ebbb5bb63843b4bd272d5c9b43ede42025-01-14T10:08:57ZengEditorial Office of Rehabilitation Medicine康复学报2096-03282024-06-013430431065666817Research Progress of Transcranial Direct Current Stimulation Therapy for Cognitive Impairment after StrokeLIU YuanchenZHANG LixinPost-stroke cognitive impairment (PSCI) refers to the symptoms of cognitive decline after stroke, which seriously impairs patients' quality of life and survival time. Compared with cognitive impairment caused by other neurological diseases, preventability and treatability are important characteristics of PSCI, making early intervention particularly important. Transcranial direct current stimulation (tDCS) is a non-invasive brain stimulation technique with the advantages of high safety and low pain, and it is an effective neurological rehabilitation treatment for PSCI. The tDCS treatment regimen for PSCI usually consists of a stimulation intensity of 1 to 2 mA applied to the dorsolateral prefrontal cortex for 20 to 30 minutes. The stimulation site is usually the dorsolateral prefrontal lobe, but researchers have also confirmed the effectiveness of other stimulation sites, such as the bilateral M1 area and right parietal cortex. tDCS improves cognitive function by affecting neurotransmitters (such as calcium ions and γ-aminobutyric acid in astrocytes), the state of neurons, cerebral blood flow, and the connectivity of functional areas of the brain. tDCS not only produces an immediate boosting effect and an after-effect that is effective about 1 hour after stimulation, but also has long-term enhancement (LTP) and long-term depression (LTD) effects. Therefore, the timing of treatment should be grasped when tDCS is applied clinically. At present, various traditional treatments for cognitive function (such as drug therapy, cognitive training, virtual reality technology, acupuncture, etc.) have their own strengths, but there are still problems such as adverse drug reactions, long treatment time and slow recovery. In order to overcome the limitations and shortcomings of tDCS alone and to achieve a better therapeutic effect, the combined application of other cognitive rehabilitation measures at the same time or within 1 hour of tDCS stimulation is an alternative approach. This article aims to review the research progress of tDCS and other cognitive rehabilitation methods in PSCI, so as to provide therapeutic experience and reference for the comprehensive rehabilitation of PSCI.http://kfxb.publish.founderss.cn/thesisDetails#10.3724/SP.J.1329.2024.03013Post-stroke cognitive impairmentstroketranscranial direct current stimulationcombination therapytiming
spellingShingle LIU Yuanchen
ZHANG Lixin
Research Progress of Transcranial Direct Current Stimulation Therapy for Cognitive Impairment after Stroke
康复学报
Post-stroke cognitive impairment
stroke
transcranial direct current stimulation
combination therapy
timing
title Research Progress of Transcranial Direct Current Stimulation Therapy for Cognitive Impairment after Stroke
title_full Research Progress of Transcranial Direct Current Stimulation Therapy for Cognitive Impairment after Stroke
title_fullStr Research Progress of Transcranial Direct Current Stimulation Therapy for Cognitive Impairment after Stroke
title_full_unstemmed Research Progress of Transcranial Direct Current Stimulation Therapy for Cognitive Impairment after Stroke
title_short Research Progress of Transcranial Direct Current Stimulation Therapy for Cognitive Impairment after Stroke
title_sort research progress of transcranial direct current stimulation therapy for cognitive impairment after stroke
topic Post-stroke cognitive impairment
stroke
transcranial direct current stimulation
combination therapy
timing
url http://kfxb.publish.founderss.cn/thesisDetails#10.3724/SP.J.1329.2024.03013
work_keys_str_mv AT liuyuanchen researchprogressoftranscranialdirectcurrentstimulationtherapyforcognitiveimpairmentafterstroke
AT zhanglixin researchprogressoftranscranialdirectcurrentstimulationtherapyforcognitiveimpairmentafterstroke