Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Introduction to z Scores01:06

Introduction to z Scores

11.2K
A z score (or standardized value) is measured in units of the standard deviation. It tells you how many standard deviations the value x is above (to the right of) or below (to the left of) the mean, μ. Values of x that are larger than the mean have positive z scores, and values of x that are smaller than the mean have negative z scores. If x equals the mean, then x has a zero z score. It is important to note that the mean of the z scores is zero, and the standard deviation is one.
z scores...
11.2K
Introduction to z Scores01:05

Introduction to z Scores

1.4K
A z score (or standardized value) is measured in units of the standard deviation. It indicates how many standard deviations the value x is above (to the right of) or below (to the left of) the mean, μ. Values of x that are larger than the mean have positive z scores, and values of x that are smaller than the mean have negative z scores. If x equals the mean, then x has a zero z score. It is important to note that the mean of the z scores is zero, and the standard deviation is one.
z scores...
1.4K
z Scores and Area Under the Curve01:17

z Scores and Area Under the Curve

19.6K
z scores are the standardized values obtained after converting a normal distribution into a standard normal distribution. A z score is measured in units of the standard deviation. The z score tells you how many standard deviations the value x is above (to the right of) or below (to the left of) the mean, μ. Values of x that are larger than the mean have positive z scores, and values of x that are smaller than the mean have negative z scores. If x equals the mean, then x has a z score of...
19.6K
z Scores and Unusual Values01:07

z Scores and Unusual Values

11.0K
The z score is one of the three measures of relative standing. It describes the location of a value in a dataset relative to the mean. z scores are obtained after the standardization of the values in a dataset. The z score for the mean is 0.
 This score indicates how far a value is from the mean in terms of standard deviation. For example, if a data value has a z score of +1, the researcher can infer that the particular data value is one standard deviation above the mean. If another data...
11.0K
Force Classification01:22

Force Classification

2.4K
Forces play a crucial role in the study of physics and engineering. They are essential in describing the motion, behavior, and equilibrium of objects in the physical world. Forces can be classified based on their origin, type, and direction of action.
Contact and non-contact forces are two of the most widely used categories of forces. As the name suggests, contact forces require physical contact between two objects to act upon each other. Examples of contact forces include frictional,...
2.4K
Classification of Neurotransmitters01:30

Classification of Neurotransmitters

5.3K
Neurotransmitters play a crucial role in the communication between neurons in the autonomic nervous system. Neurons in the autonomic nervous system can be cholinergic or adrenergic depending on the neurotransmitters synthesized. Cholinergic neurons use acetylcholine as their primary neurotransmitter. This includes all the preganglionic fibers of the sympathetic and pre- and postganglionic fibers of the parasympathetic nervous systems. In addition, neurons of the somatic nervous system also use...
5.3K

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Knowledge gaps in the management of spinal trauma and infection.

Journal of clinical orthopaedics and trauma·2026
Same author

Well-controlled asthma does not adversely affect outcomes following anterior cervical discectomy and fusion.

European spine journal : official publication of the European Spine Society, the European Spinal Deformity Society, and the European Section of the Cervical Spine Research Society·2026
Same author

Controlled versus gravity-based irrigation in endoscopic spine surgery: pressure stability, thresholds, and safety implications.

European spine journal : official publication of the European Spine Society, the European Spinal Deformity Society, and the European Section of the Cervical Spine Research Society·2026
Same author

Spinal Specialty Societies: It is Time for Collaboration and Consolidation.

Clinical spine surgery·2026
Same author

Symptom Duration of 1 Year or More Is Associated With Worse Absolute Outcomes but Similar Clinically Meaningful Improvement After ACDF for Cervical Myelopathy.

Spine·2026
Same author

Longer Symptom Duration Is Associated With Worse Absolute Outcomes but Similar MCID Achievement After ACDF.

Spine·2026
Same journal

Multilevel stand-alone lateral lumbar interbody fusion: radiographic and clinical outcomes.

Journal of neurosurgery. Spine·2026
Same journal

Is cervicothoracic ossification of the posterior longitudinal ligament a distinct clinicoradiological variant? A critical analysis of neurological recovery predictors.

Journal of neurosurgery. Spine·2026
Same journal

Does preoperative depression predict return to sport and exercise after degenerative spine surgery?

Journal of neurosurgery. Spine·2026
Same journal

Photodynamic diagnosis using 5-aminolevulinic acid in surgery for spinal cord astrocytic tumors: a propensity score-matched comparison with brain tumors.

Journal of neurosurgery. Spine·2026
Same journal

Editorial. Rethinking spinal cord gliomas: beyond the intracranial paradigm.

Journal of neurosurgery. Spine·2026
Same journal

Oncological and neurological outcomes after parent rootlet resection in functionally critical spinal schwannomas: a retrospective multicenter comparative study.

Journal of neurosurgery. Spine·2026
See all related articles

Related Experiment Video

Updated: Feb 9, 2026

Minimally Invasive Treatment for Thoracolumbar Burst Fracture Using Sagittal Alignment Screws and A Trauma Reduction Device
04:19

Minimally Invasive Treatment for Thoracolumbar Burst Fracture Using Sagittal Alignment Screws and A Trauma Reduction Device

Published on: November 8, 2024

1.4K

Thoracolumbar injury classification and scoring system

Alexander Vaccaro

    Journal of Neurosurgery. Spine
    |November 28, 2008
    PubMed
    Summary

    No abstract available in PubMed .

    More Related Videos

    Author Spotlight: Unveiling the Pathway Linking Obesity to Autoimmune Inflammation in Multiple Sclerosis
    08:17

    Author Spotlight: Unveiling the Pathway Linking Obesity to Autoimmune Inflammation in Multiple Sclerosis

    Published on: February 23, 2024

    5.6K
    Modified Posterior Vertebral Column Resection for Patients with Thoracolumbar Kyphotic Deformity
    06:45

    Modified Posterior Vertebral Column Resection for Patients with Thoracolumbar Kyphotic Deformity

    Published on: September 16, 2022

    2.9K

    Related Experiment Videos

    Last Updated: Feb 9, 2026

    Minimally Invasive Treatment for Thoracolumbar Burst Fracture Using Sagittal Alignment Screws and A Trauma Reduction Device
    04:19

    Minimally Invasive Treatment for Thoracolumbar Burst Fracture Using Sagittal Alignment Screws and A Trauma Reduction Device

    Published on: November 8, 2024

    1.4K
    Author Spotlight: Unveiling the Pathway Linking Obesity to Autoimmune Inflammation in Multiple Sclerosis
    08:17

    Author Spotlight: Unveiling the Pathway Linking Obesity to Autoimmune Inflammation in Multiple Sclerosis

    Published on: February 23, 2024

    5.6K
    Modified Posterior Vertebral Column Resection for Patients with Thoracolumbar Kyphotic Deformity
    06:45

    Modified Posterior Vertebral Column Resection for Patients with Thoracolumbar Kyphotic Deformity

    Published on: September 16, 2022

    2.9K