PsPM-HRM5 dataset
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Repository Version: 2020.06.01

This dataset includes skin conductance response (SCR), electrocardiogram (ECG) and respiration measurements for each of 19 healthy unmedicated participants (8 males and 11 females aged 26.1 +/- 5.4 years) in response to 65 dB and 85 dB sounds as well as the 60 most arousing negative and the 60 most arousing positive (excluding explicit nude) IAPS pictures, presented for 1 s each. ITI was between 4-16 s.

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This repository is curated by the PsPM team, http://bachlab.org/pspm

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Dataset is described and used in following references:
- Philipp C. Paulus & Giuseppe Castegnetti & Dominik R. Bach (2016) Modeling event-related heart period responses. Psychophysiology, 53:6, pp 837-846. DOI:10.1111/psyp.12622

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File Structure:
-README.txt               // This document
-excludes.txt	          // list of excluded participants
-+Data                    // Folder containing all data files
|-HRM5_wdq_XX_snY.mat // 19 files holding measurements for SCR, ECG, and respiration
|-HRM5_cogent_XX.mat  // 19 files holding key presses, stimulus information, demographics, and room temperature/humidity
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Data Files:
- Files holding SCR, ECG, respiration traces and time markers, recorded with WDQ software.
  - Skin conductance (channel 1)
  - Electrocardiogram (channel 2)
  - Respiration (channel 3)
  - Event markers used for synchronization with Cogent files (channel 4)

- Files holding keyboard presses and stimulus information, recorded with Cogent 2000 software. Also contains demographic (age, sex), room temperature/humidity

The data file name is composed of:
- HRM5     The dataset name
- wdq/cogent   The type of data recorded (see above)
- XX           The subject number
- Y            The session number

Data are stored as .mat files for use with MATLAB (The MathWorks Inc., Natick, USA) in a format readable by the PsPM toolbox (bachlab.org/pspm). All Matlab files are saved in MATLAB 9.7 (R2019b) format.