Postprocessing Code for 'Falling Heads': investigating reflexive responses to head-neck perturbations

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Wochner, Isabell; Schmitt, Syn, 2022, "Postprocessing Code for 'Falling Heads': investigating reflexive responses to head-neck perturbations", https://doi.org/10.18419/darus-2526, DaRUS, V1

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Description	This dataset contains the code necessary to postprocess the experimental trajectory data of the Falling Heads experiment and perform the inverse dynamics analysis as described in the paper "’Falling Heads’: investigating reflexive responses to head-neck perturbations" by Isabell Wochner, Lennart V. Nölle, Oleksandr V. Martynenko and Syn Schmitt. Always cite the paper together with this dataset because this dataset is not self-explanatory. The motion analyses were performed with custom software written in Matlab (Mathworks, Natick, MA) based on the recorded marker positions. From these recorded trajectories, we calculated displacements, velocities and accelerations and processed the signals with a Butterworth low-pass filter (cut-off frequency 15 Hz; fourth-order). (2022-02-17)
Subject	Computer and Information Science; Engineering; Medicine, Health and Life Sciences; Physics
Keyword	Reflex Behaviour, Head-Neck Perturbations, Motor Control
Related Publication	Wochner, I., Nölle, L. V., Martynenko, O. V., & Schmitt, S. (2022). ‘Falling heads’: investigating reflexive responses to head-neck perturbations. Biomedical engineering online, 21(1), article no. 25. doi: 10.1186/s12938-022-00994-9
Notes	The folder contains 14 matlab codes, which you can and should run in their consecutive order to perform the postprocessing of the experimental trajectories (starting from A0.. up to A13). Furthermore, the matlab data files named "kinematic_analysis_expdata" contains the experimental data which is needed to run the scripts (they should be in the same folder).
License/Data Use Agreement	BSD 2-Clause

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	1 to 10 of 18 Files	Download
	A0_LoadTrajectories.m Plain Text - 3.7 KB Published Apr 1, 2022 18 Downloads MD5: b6c29a2c2f6d15c995646be65407cad3 This script is needed to load the experimental trajectories. Furthermore it saves the x and y displacement of the centre of gravity (head), the x-y displacement of a second node, and the x-y displacement of the chin and neck marker as "node_traj.mat" file.	Preview "A0_LoadTrajectories.m" Access File File Access Public Download Options Plain Text Download Metadata Data File Citation EndNote XML RIS BibTeX
	A10_plot_fallinghead_verticaldisp_shaded.m Plain Text - 5.8 KB Published Apr 1, 2022 21 Downloads MD5: 2b893eb47139eb21a0b4a3aea6cd198f This script plots the differences in vertical displacement for different ages and sexes; run this script to reproduce Figure 3 of the paper.	Preview "A10_plot_fallinghead_verticaldisp_shaded.m" Access File File Access Public Download Options Plain Text Download Metadata Data File Citation EndNote XML RIS BibTeX
	A11_CalculateStiffness_onlyk.m Plain Text - 4.7 KB Published Apr 1, 2022 20 Downloads MD5: e5b51b546933d94b41a1c47dc7e93624 This script plots the effective stiffness for all participants and all trials; run this script to reproduce Figure 2 of the paper.	Preview "A11_CalculateStiffness_onlyk.m" Access File File Access Public Download Options Plain Text Download Metadata Data File Citation EndNote XML RIS BibTeX
	A12_PlotDisplacement.m Plain Text - 2.9 KB Published Apr 1, 2022 16 Downloads MD5: aeef77bc4aa14cc9886424eae5ef17e9 This scripts plots the vertical displacmement of the 'falling heads' experiment for all participants and all trials; run this script to reproduce Figure 1 of the paper.	Preview "A12_PlotDisplacement.m" Access File File Access Public Download Options Plain Text Download Metadata Data File Citation EndNote XML RIS BibTeX
	A13_PlotAccelerations.m Plain Text - 2.6 KB Published Apr 1, 2022 16 Downloads MD5: 7f12388d879ea5402a3434ec8b7e5149	Preview "A13_PlotAccelerations.m" Access File File Access Public Download Options Plain Text Download Metadata Data File Citation EndNote XML RIS BibTeX
	A1_Calculate_LinearAcceleration_x.m Plain Text - 2.7 KB Published Apr 1, 2022 13 Downloads MD5: dd7884624d3d229b2ab7085288a3dbbb This script calculates and saves the linear acceleration in x direction of the centre of gravity (head). It creates two figures as output (for the supine and prone case) and saves the calculated data as "linearacc_x.mat" file.	Preview "A1_Calculate_LinearAcceleration_x.m" Access File File Access Public Download Options Plain Text Download Metadata Data File Citation EndNote XML RIS BibTeX
	A2_Calculate_LinearAcceleration_y.m Plain Text - 11.3 KB Published Apr 1, 2022 23 Downloads MD5: 7f6ef597a91ce5d7351a9f741ae61a7d This script calculates and saves the linear acceleration in y direction of the centre of gravity (head). It creates two figures as output (for the supine and prone case) and saves the calculated data as "linearacc_y.mat" file. Furthermore, it produces the first half of the latex tables Table 1 and Table 3 (linear peak accelerations) of the paper.	Preview "A2_Calculate_LinearAcceleration_y.m" Access File File Access Public Download Options Plain Text Download Metadata Data File Citation EndNote XML RIS BibTeX
	A3_CalculateAngle.m Plain Text - 1.8 KB Published Apr 1, 2022 16 Downloads MD5: 0f2ed7356905520ff149a1bcfa5cba5b This script calculates the angle (rotational displacement) of the head. It creates two figures as output (for the supine and prone case) and saves the calculated data as "Angle.mat" file.	Preview "A3_CalculateAngle.m" Access File File Access Public Download Options Plain Text Download Metadata Data File Citation EndNote XML RIS BibTeX
	A4_Calculate_RotationalAcceleration.m Plain Text - 11.5 KB Published Apr 1, 2022 11 Downloads MD5: b19a9e08a1d123629d5d6fabb694bfd0 This script calculates and saves the rotational acceleration of the centre of gravity (head). It creates two figures as output (for the supine and prone case) and saves the calculated data as "rotationalpeakacc.mat" file. Furthermore, it produces the second half of the latex tables Table 1 and Table 3 (rotational peak accelerations) of the paper.	Preview "A4_Calculate_RotationalAcceleration.m" Access File File Access Public Download Options Plain Text Download Metadata Data File Citation EndNote XML RIS BibTeX
	A5_CalculateHeadmassAndMomentOfInertia.m Plain Text - 2.2 KB Published Apr 1, 2022 15 Downloads MD5: 5b3e153151e9134d235befda0b35b4fa This script calculates and saves the headmass and the moment of inertia of all participants based on their size and height according to description given in the paper (section 5.5.).	Preview "A5_CalculateHeadmassAndMomentOfInertia.m" Access File File Access Public Download Options Plain Text Download Metadata Data File Citation EndNote XML RIS BibTeX

Citation Metadata

Persistent Identifier	doi:10.18419/darus-2526
Publication Date	2022-04-01
Title	Postprocessing Code for 'Falling Heads': investigating reflexive responses to head-neck perturbations
Author	Wochner, Isabell (University of Stuttgart) - ORCID: 0000-0002-2820-5791 Schmitt, Syn (University of Stuttgart) - ORCID: https://orcid.org/0000-0002-7768-8961
Point of Contact	Use email button above to contact. Wochner, Isabell (University of Stuttgart) Schmitt, Syn (University of Stuttgart)
Description	This dataset contains the code necessary to postprocess the experimental trajectory data of the Falling Heads experiment and perform the inverse dynamics analysis as described in the paper "’Falling Heads’: investigating reflexive responses to head-neck perturbations" by Isabell Wochner, Lennart V. Nölle, Oleksandr V. Martynenko and Syn Schmitt. Always cite the paper together with this dataset because this dataset is not self-explanatory. The motion analyses were performed with custom software written in Matlab (Mathworks, Natick, MA) based on the recorded marker positions. From these recorded trajectories, we calculated displacements, velocities and accelerations and processed the signals with a Butterworth low-pass filter (cut-off frequency 15 Hz; fourth-order). (2022-02-17)
Subject	Computer and Information Science; Engineering; Medicine, Health and Life Sciences; Physics
Keyword	Reflex Behaviour http://purl.obolibrary.org/obo/NBO_0000389 (NBO) Head-Neck Perturbations Motor Control https://www.wikidata.org/wiki/Q2996165 (Wikidata)
Related Publication	Wochner, I., Nölle, L. V., Martynenko, O. V., & Schmitt, S. (2022). ‘Falling heads’: investigating reflexive responses to head-neck perturbations. Biomedical engineering online, 21(1), article no. 25. doi: 10.1186/s12938-022-00994-9 https://doi.org/10.1186/s12938-022-00994-9
Notes	The folder contains 14 matlab codes, which you can and should run in their consecutive order to perform the postprocessing of the experimental trajectories (starting from A0.. up to A13). Furthermore, the matlab data files named "kinematic_analysis_expdata" contains the experimental data which is needed to run the scripts (they should be in the same folder).
Funding Information	DFG: 390740016 European Commission: info:eu-repo/grantAgreement/EC/H2020/768947
Depositor	Wochner, Isabell
Deposit Date	2022-02-17
Related Dataset	Wochner, Isabell, 2022, "Trajectory Data for Falling Heads: investigating reflexive responses to head-neck perturbations", https://doi.org/10.18419/darus-1132, DaRUS.; Wochner, Isabell, 2022, "Neck muscle data for Falling Heads: investigating reflexive responses to head-neck perturbations", https://doi.org/10.18419/darus-1145, DaRUS.; Wochner, Isabell; Schmitt, Syn, 2022, "EMG data for Falling Heads: investigating reflexive responses in active Human Body Models", https://doi.org/10.18419/darus-1038, DaRUS.

Process Metadata

Software	MATLAB Version: R2020a (https://www.mathworks.com/)

Software Metadata (CodeMeta 2.0)

Software Version	1.0
Development Status	Unsupported
Application Category	Analysis
Programming Language	MATLAB
Operating Systems	Windows 10

Privacy Metadata

Personal Data	yes, but anonymized

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