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Related Concept Videos

Functionalism01:11

Functionalism

William James, John Dewey, and Charles Sanders Peirce were instrumental in founding functional psychology, which draws heavily from Darwin's theory of evolution by natural selection. This theory suggests that individual traits, including behaviors, are adapted to their environments through natural selection. At the heart of functionalism is the concept of adaptation, meaning that a trait enhances an individual's chances of survival and reproduction.
James envisioned psychology's role as...
Introduction to z Scores01:05

Introduction to z Scores

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 help...
Introduction to z Scores01:06

Introduction to z Scores

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 help...
Functional Classification of Joints01:09

Functional Classification of Joints

Functional Classification of Joints
The functional classification of joints is determined by the amount of mobility between the adjacent bones. Joints are functionally classified as a synarthrosis or immobile joint, an amphiarthrosis or slightly moveable joint, or as a diarthrosis, a freely moveable joint. Fibrous and cartilaginous joints can be functionally classified as either synarthroses  or amphiarthroses, whereas all synovial joints are classified as diarthroses.
Synarthrosis
An immobile...
Statistical Significance01:37

Statistical Significance

Once data is collected from both the experimental and the control groups, a statistical analysis is conducted to find out if there are meaningful differences between the two groups. A statistical analysis determines how likely any difference found is due to chance (and thus not meaningful). In psychology, group differences are considered meaningful, or significant, if the odds that these differences occurred by chance alone are 5 percent or less. Stated another way, if we repeated this...
Functional Groups02:45

Functional Groups

Functional groups are a group of atoms with characteristic properties, which when linked to the carbon skeleton of a molecule, alter the properties of that molecule. For example, the presence of certain functional groups on a molecule will make them hydrophilic, whereas others will make them hydrophobic. These functional groups are an indispensable part of organic chemistry and important components of biological molecules, such as carbohydrates, proteins, lipids, and nucleic acids. Each...

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Related Experiment Video

Updated: May 21, 2026

Measuring the Functional Abilities of Children Aged 3-6 Years Old with Observational Methods and Computer Tools
11:29

Measuring the Functional Abilities of Children Aged 3-6 Years Old with Observational Methods and Computer Tools

Published on: June 20, 2020

The functional SYNTAX score - a huge step forward or research in motion?

Abed Dehnee1, Christine Gerula, Victor Mazza

  • 1Division of Cardiology, University Hospital and New Jersey Medical School (UMDNJ), Newark, NJ, USA.

The Journal of Invasive Cardiology
|June 12, 2012
PubMed
Summary
This summary is machine-generated.

The functional SYNTAX score (FSS) better assesses coronary artery disease than the SYNTAX score (SS), but still has limitations. Combining FSS with clinical risk scores may improve prediction of percutaneous coronary intervention (PCI) risk.

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A Computerized Functional Skills Assessment and Training Program Targeting Technology Based Everyday Functional Skills
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A Computerized Functional Skills Assessment and Training Program Targeting Technology Based Everyday Functional Skills

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Last Updated: May 21, 2026

Measuring the Functional Abilities of Children Aged 3-6 Years Old with Observational Methods and Computer Tools
11:29

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A Computerized Functional Skills Assessment and Training Program Targeting Technology Based Everyday Functional Skills
07:31

A Computerized Functional Skills Assessment and Training Program Targeting Technology Based Everyday Functional Skills

Published on: February 13, 2020

Area of Science:

  • Cardiology
  • Interventional Cardiology
  • Medical Imaging

Background:

  • The SYNTAX score (SS) is used to assess coronary artery disease (CAD) severity.
  • The functional SYNTAX score (FSS) is a newer tool that reclassifies a significant portion of patients.
  • Both SS and FSS have limitations in predicting percutaneous coronary intervention (PCI) risk.

Purpose of the Study:

  • To evaluate the effectiveness of the functional SYNTAX score (FSS) compared to the traditional SYNTAX score (SS).
  • To identify deficiencies in current scoring systems for predicting PCI risk.
  • To explore improved methods for predicting procedural risk in patients with CAD.

Main Methods:

  • Analysis of a patient cohort using both SS and FSS.
  • Comparison of reclassification rates between SS and FSS.
  • Discussion of limitations including invasiveness, cost, and lack of clinical risk integration.

Main Results:

  • FSS reclassified one-third of the studied cohort into lower-risk categories compared to SS.
  • FSS, like SS, does not incorporate clinical risk predictors, limiting its predictive accuracy for PCI.
  • Key questions remain regarding the superiority of PCI over optimal medical therapy (OMT) and complete versus partial revascularization.

Conclusions:

  • While FSS offers improvements over SS in assessing CAD extent and severity, it retains significant limitations.
  • An operational FSS, incorporating only lesions undergoing PCI and combined with clinical risk scores, may offer better procedural risk prediction.
  • Further research is needed to address the optimal treatment strategy (PCI vs. OMT) and revascularization completeness for improved patient outcomes.