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Clinical Trial Summary

Background: General movements (GMs) are endogenously generated movements of the entire body observable from the 9th week postmenstrual age to at least 20 weeks postterm age. The assessment of GMs, the GMA, is a method to differentiate between spontaneous normal vs. abnormal motor patterns based on visual Gestalt perception, and has proven to be a reliable tool to evaluate the integrity of the nervous system in early infancy. Trained GMA observers achieve an excellent inter-observer agreement, but this accuracy is known to decline when GMA is applied infrequently. Although specific changes in the quality of GMs are highly predictive for atypical neurodevelopmental trajectories, one pattern of GMs, the poor-repertoire, is still of low predictive power.

Objectives: Tracking GMA observers' intrinsic and unconsciously applied analytic strategies may unravel hitherto unknown characteristics of GMs and Gestalt perception in clinical reasoning. We specifically aim to: detect parameters during the writhing movements period which differentiate normalising and deteriorating developmental trajectories (Aim 1); evaluate different strategies/modalities of expert guidance for clinical reasoning and develop novel didactical approaches for remote GMA training (remote visual and verbal guidance; Aim 2); create a database to provide expert-guided tutorials for remote clinical training, observer re-calibration, and self-evaluation for certified observers (Aim 3).


Clinical Trial Description

Approach / methods: Based on our expertise in GMA and eye tracking, and a successful proof of principle (pilot experiment), we will conduct a series of experiments: GMA experts' eye movement patterns during clinical reasoning will be assessed to better understand the diagnostic category of poor-repertoire GMs (Experiment 1); benefits and potential difficulties of different modes of "seeing through the eyes of an expert"-approaches for GMA-training will be explored (Experiment 2); we shall evaluate enhancement of clinical reasoning as a result of intensive remote GMA training (Experiment 3).

Level of originality / innovation: "Tracking general movements" will (1) contribute to better understand poor-repertoire GMs adding to the clinical necessity to closely follow infants in need for continuous or close-meshed clinical surveillance; (2) define the benefits of different modes/modalities of expert guidance for GMA, which will form the basis for innovative remote clinical GMA training; and (3) create a globally accessible database for remote clinical GMA refreshment-training and re-calibration. ;


Study Design


Related Conditions & MeSH terms


NCT number NCT04241445
Study type Observational
Source Medical University of Graz
Contact
Status Enrolling by invitation
Phase
Start date April 1, 2020
Completion date March 31, 2024

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