sEMG of Swallowing, Coughing and Speech

Dataset for in-progress manuscript by the associated authors. <br> <strong>Data Summary:</strong> <br> Dataset consists of 3-channel surface electromyography (sEMG) recorded from under the chin (submental muscles) and chest (intercostal and diaphragm muscles) from 11 study participants (8 control, 3 throat cancer). <br> Each participant attended 4 sEMG recording sessions, each session consisting of the following: 15 swallows (5 dry, 5 water, 5 banana). 3 cough recordings, each recording comprising 5 coughs. 3 speech recordings, each comprising 10 spoken sentences from the Harvard sentences (IEEE, "IEEE Recommended Practice for Speech Quality Measurements," IEEE Trans. Audio Electroacoust., vol. 17, no. 3, pp. 225-246, 1969). 6 movement recordings comprising the actions of standing, walking, reaching, twisting and sitting. 1 baseline recording, participant remained still for 60 seconds while baseline signals were recorded. Sound was recorded concurrently during swallow and speech recordings using a contact microphone placed over the cricoid cartilage. Pneumotachometry (airflow) was recorded during coughing. <br> <strong>Data Folders and File Notes:</strong> <br> Dataset contains both raw and processed data (signals have been normalized to baseline recording and excessive artefacts removed). <br> 1 folder exists per session: "P1_S1" corresponds to Participant 1 Session 1 data. <br> 1 .csv file exists per recording. From left to right .csv columns correspond to: Submental sEMG, Intercostal sEMG, Diaphragm sEMG, Pneumotachometry, Contact Microphone, Class Label. mV,mV,mV,cmH20,V,N/A (Units for raw data) <br> Class labels are as follows: 0 - Null (anything outside the other classes) 1 - Swallow phase 1 (preparation activity for swallowing such as chewing, sipping etc.) 2 - Swallow phase 2 (swallow reflex, larynx elevation following submental muscle contraction) 3 - Cough 4 - Speech <br> Movement recordings start with standing and end with sitting. The order of walking, twisting and reaching is randomised and summarised by the recording title e.g. "08_reach_twist_walk.csv" indicates an order of reach-twist-walk. <br> Files ending in "SW" indicate an out-of-protocol swallow took place e.g. participant swallowed during a cough recording. <br> Swallow files ending in "N2" or "N3" contain 2 or 3 swallows respectively. <br> &gt;1 baseline recording may exist in a session. If electrodes became detached during a session the baseline recording was repeated and subsequent recordings in the session normalised according to the latter baseline. <br> <strong>Hardware Setup:</strong> <br> Two submental electrodes (EL513, 10 mm diameter, BIOPAC Systems UK) were placed on the midline, posterior to the mental protuberance, with 20 mm interelectrode distance. <br> Three electrodes (EL503, 11 mm diameter, BIOPAC) were placed on the right 9th/10th intercostal space close to the anterior axillary line, with 35 mm interelectrode distance. The posterior two electrodes formed the intercostal recording dipole. The anterior electrode and a single electrode placed on the left 9th/10th intercostal space formed the diaphragm recording dipole. <br> Two reference electrodes (EL503) were placed on the midline over the sternum. <br> Two wireless EMG recorders (BIOPAC BN-EMG2 BioNomadix, 2,000 Hz sampling rate, 2,000× gain, 5 to 500 Hz bandpass filter) were placed at the waist and on the head to minimise relative cable length and motion artefacts. <br>

本数据集为相关作者正在撰写的手稿配套数据集。<br><strong>数据摘要：</strong><br>本数据集包含11名研究受试者（8名健康对照、3名喉癌患者）的三通道表面肌电图（surface electromyography, sEMG）信号，采集部位为颏下肌肉（submental muscles）以及胸部的肋间肌与膈肌（intercostal and diaphragm muscles）。<br>每名受试者参与4次sEMG记录会话，每次会话包含以下内容：15次吞咽动作（5次干咽、5次饮水吞咽、5次香蕉吞咽）；3次咳嗽记录，每次记录包含5次咳嗽动作；3次语音记录，每次记录包含10句哈佛语句（引自IEEE标准"IEEE Recommended Practice for Speech Quality Measurements," IEEE Trans. Audio Electroacoust., vol. 17, no. 3, pp. 225-246, 1969）；6次运动记录，动作涵盖站立、行走、伸手、扭转与坐下；1次基线记录，受试者保持静止60秒以采集基线信号。吞咽与语音记录期间，通过置于环状软骨上方的接触式麦克风同步采集声音信号；咳嗽期间采用呼吸速度描记法（pneumotachometry）采集气流信号。<br><strong>数据文件夹与文件说明：</strong><br>本数据集同时包含原始数据与预处理后数据（信号已基于基线记录完成归一化，并移除了过多伪迹）。<br>每次记录会话对应一个独立文件夹，例如"P1_S1"代表受试者1的第1次会话数据。<br>每次记录对应一个.csv格式文件，.csv文件的列从左至右依次为：颏下sEMG、肋间sEMG、膈肌sEMG、呼吸速度描记气流、接触式麦克风信号、类别标签。原始数据单位分别为：mV、mV、mV、cmH₂O、V、无（N/A）。<br>类别标签定义如下：0 - 空类别（其他类别覆盖范围外的信号）；1 - 吞咽阶段1（吞咽准备活动，如咀嚼、啜饮等）；2 - 吞咽阶段2（吞咽反射，颏下肌肉收缩后的喉上抬动作）；3 - 咳嗽；4 - 语音。<br>运动记录以站立动作开始、坐下动作结束，行走、扭转与伸手的动作顺序随机，可通过文件名判断，例如"08_reach_twist_walk.csv"代表动作顺序为伸手-扭转-行走。<br>文件名后缀为"SW"表示存在协议外吞咽动作，例如受试者在咳嗽记录期间发生了吞咽行为。<br>后缀为"N2"或"N3"的吞咽文件分别包含2次或3次吞咽动作。<br>单次会话中可能存在多条基线记录：若某次会话中电极脱落，则重新采集基线记录，该会话内后续记录将以最新的基线记录完成归一化。<br><strong>硬件设置：</strong><br>两枚颏下电极（EL513，直径10mm，英国BIOPAC Systems公司）置于颏隆凸后方的正中线位置，电极间距为20mm。<br>三枚电极（EL503，直径11mm，BIOPAC公司）置于右侧第9/10肋间隙靠近腋前线处，电极间距为35mm；其中后方两枚电极构成肋间肌记录的双极导联，前方一枚电极与左侧第9/10肋间隙处的单枚电极构成膈肌记录的双极导联。<br>两枚参考电极（EL503）置于胸骨正中线位置。<br>两台无线肌电记录仪（BIOPAC BN-EMG2 BioNomadix，采样率2000Hz，增益2000×，带通滤波范围5~500Hz）分别置于腰部与头部，以缩短相对线缆长度并减少运动伪迹。

搜集汇总

背景与挑战

背景概述

该数据集包含11名参与者的表面肌电图（sEMG）数据，重点记录了吞咽、咳嗽和语音活动。数据集提供了详细的会话记录和分类标签，适用于生物医学信号处理研究。