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Spinal Cord01:26

Spinal Cord

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The Spinal Cord01:54

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The spinal cord is the body’s major nerve tract of the central nervous system, communicating afferent sensory information from the periphery to the brain and efferent motor information from the brain to the body. The human spinal cord extends from the hole at the base of the skull, or foramen magnum, to the level of the first or second lumbar vertebra.
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Spinal Cord: Gross Anatomy01:15

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The spinal cord resides within the protective confines of the vertebral column. It is the main pathway for information traveling between the brain and the body. It plays a fundamental role in nearly all bodily functions, from simple reflexes to complex motor movements. The spinal cord begins at the medulla oblongata at the base of the brainstem and extends downward, terminating at the conus medullaris near the first and second lumbar vertebrae. The spinal cord's length in adults is...
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Spinal Cord: Cross-sectional Anatomy01:16

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The cross-sectional anatomy of the spinal cord offers a detailed view of its complex structure and function within the central nervous system. At the core of the spinal cord lies the gray matter, characterized by its butterfly or "H"-shaped appearance in cross-section. This central region is enveloped by white matter, with the overall structure divided into symmetrical halves by the dorsal median sulcus and the ventral median fissure.
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Insufficient Sleep and Sleep Deprivation01:13

Insufficient Sleep and Sleep Deprivation

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Insufficient sleep refers to not getting the recommended amount of sleep for optimal functioning, even if it's just slightly less than needed. Sleep insufficiency may occur due to lifestyle choices, such as staying up late for social events or work, resulting in routinely getting less sleep than required. For example, consistently sleeping 6 hours when the body needs 7-9 hours can lead to cumulative effects on health and well-being.
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Paradigms of Lower Extremity Electrical Stimulation Training After Spinal Cord Injury
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Does Spinal Cord Stimulation Really Influence Sleep?

Mats De Jaeger1, Lisa Goudman1,2, Sander De Groote1

  • 1Department of Neurosurgery, Universitair Ziekenhuis Brussel, Brussels, Belgium.

Neuromodulation : Journal of the International Neuromodulation Society
|September 27, 2018
PubMed
Summary
This summary is machine-generated.

Failed back surgery syndrome patients often underestimate their sleep quality. Objective measurements reveal discrepancies compared to subjective reports, highlighting the need for advanced sleep assessment tools in pain management.

Keywords:
ActigraphyPittsburgh sleep quality indexchronic painfailed back surgery syndromespinal cord stimulation

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Area of Science:

  • Neuroscience
  • Pain Management
  • Sleep Medicine

Background:

  • Clinical pain research traditionally relies on subjective patient questionnaires for treatment effectiveness.
  • Emerging technologies offer objective outcome measures as alternatives to self-report.
  • Failed back surgery syndrome (FBSS) patients experience chronic pain and often sleep disturbances.

Purpose of the Study:

  • To compare subjective and objective sleep assessments in FBSS patients undergoing spinal cord stimulation (SCS).
  • To evaluate the agreement between objective actigraphy data and subjective Pittsburgh Sleep Quality Index (PSQI) scores.

Main Methods:

  • Twenty-two FBSS patients received SCS, with sleep data collected pre-implantation (B), one month (T1), and two months (T2) post-implantation.
  • Objective sleep data were gathered using actigraphy.
  • Subjective sleep data were collected via the PSQI, comparing total sleep time (TST), sleep efficiency (SE), and sleep onset latency (SOL).

Main Results:

  • Nineteen patients completed the study.
  • Significant differences were found between objective and subjective TST and SE at baseline and two months post-SCS, with patients underestimating these parameters.
  • No significant differences were found for SOL, though patients subjectively overestimated it at baseline.

Conclusions:

  • Subjective sleep ratings in chronic pain patients often differ from objective measurements.
  • Short-term SCS primarily impacts subjectively measured sleep parameters, particularly sleep onset latency.
  • Objective sleep assessment tools are crucial for accurate evaluation and treatment in chronic pain research, aiding rehabilitation and biofeedback.