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Related Experiment Videos

[The effect of afferent subcortical conduction pathways on speech function status].

I P Lukashevich1, K M Shipkova, V M Shklovskiĭ

  • 1Institute of Information Transmission Problems, Russian Academy of Sciences, Moscow.

Zhurnal Vysshei Nervnoi Deiatelnosti Imeni I P Pavlova
|September 16, 1999
PubMed
Summary

Neuroimaging and EEG reveal subcortical pathway lesions correlate with speech disorders in ischemic stroke patients. Specific EEG wave patterns indicate poor prognosis during neurorehabilitation.

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Fiziologiia cheloveka·2011

Area of Science:

  • Neuroscience
  • Neurology
  • Speech Pathology

Context:

  • Ischemic stroke recovery involves complex neurorehabilitation.
  • Understanding the neural basis of post-stroke speech disorders is crucial.

Purpose:

  • To investigate the relationship between subcortical pathway lesions and speech disorders after ischemic stroke.
  • To identify electroencephalographic (EEG) markers predictive of stroke outcomes.

Summary:

  • Combined neuropsychologic, neurologic, and neuroimaging data (CT, SPECT) in ischemic stroke patients during neurorehabilitation identified correlations between subcortical pathway lesions and speech impairments.
  • Cortico-subcortical connections of the left associative cortex were elucidated, showing semantic aphasia consistently co-occurs with dynamic aphasia.
  • The primary or secondary nature of these aphasias depends on lesion localization, as indicated by EEG and neurophysiologic data.

Related Experiment Videos

  • Local polymorphous delta and theta waves in EEG recordings are unfavorable prognostic indicators for ischemic stroke patients.

    • Impact:

    • Provides insights into the neural underpinnings of speech disorders post-stroke.
    • Highlights the prognostic value of specific EEG findings in ischemic stroke patients.
    • Informs neurorehabilitation strategies by linking lesion location to specific speech deficits.