Differences in the course of physiological functions and in subjective evaluations in connection with listening to the sound of a chainsaw, and to the sounds of a forest

The data relate to a manuscript that will be published in Frontiers in Psychology. Frontiers Media S.A. doi: 10.3389/fpsyg.2022.775173
Names of variables:
Sound: 1 = forest; 2 = chainsaw
ID: the numerical identification of examined person (EP)
AbR: abdominal respiration
ThR: thoracic respiration
AbRR or ThRR - respiratory rate
AbVTR or ThVTR: relative tidal volume change
SCL: skin conductance level
FT: finger skin temperature
BVP: blood volume pulse
BVPA: blood volume pulse amplitude
HR: heart rate
RRit: R-R interval trends
Alpha: peak alpha frequency HRV
Peak HF: peak high-frequency HRV
ASD: absolute values of standard deviations. Example AbRASD: absolute values of standard deviations of abdominal respiration
HRV_nosignif - other not significant heart rate variability parameters; from ibi...to rLFHF_B
We defined 4 time sections for the statistical comparison of differences among the average values of sounds. Periods, defined in MANOVA as a covariate, were not fixed but determined according to literary sources and similar findings from the line charts.
Period1: a control period, 10 s before turning on the sounds.
Period2: from 0 to 79 s
Period3: from 80 s to 209 s (up to 3 ½ min), lasting 130 s (ca. 2 minutes).
Period4: from 210 s to 390 s (up to 6 ½ min), lasting 180 s (3 minutes).
(Sounds) Evaluation:
AS - activation scale
VAS - visual analogue scale
In the AS method, one of ten polarity statements are selected on a scale from 1 to 11. In the VAS method, the respondent ticks his/her current mental and physical state “intuitively” on the line (encodable on a scale 0 – 200 mm).
ASpre, VASpre - prior to the exposure of acoustic stimuli
ASpost, VASpost - after the exposure of acoustic stimuli

本数据集关联一篇即将发表于《Frontiers in Psychology》（《心理前沿》）的手稿，出版方为Frontiers Media S.A.，DOI编号为10.3389/fpsyg.2022.775173。
变量命名及说明如下：
声音（Sound）：编码为1时代表森林环境声，编码为2时代表电锯声
身份标识（ID）：受测者（examined person, EP）的数字编号
腹部呼吸（AbR）：腹部呼吸活动指标
胸部呼吸（ThR）：胸部呼吸活动指标
呼吸频率（AbRR/ThRR）：呼吸频率
相对潮气量变化（AbVTR/ThVTR）：相对潮气量变化量
皮肤电导水平（SCL, skin conductance level）：皮肤电导水平
手指皮肤温度（FT, finger skin temperature）：手指皮肤温度
血容量脉搏（BVP, blood volume pulse）：血容量脉搏
血容量脉搏振幅（BVPA, blood volume pulse amplitude）：血容量脉搏振幅
心率（HR, heart rate）：心率
R-R间期趋势（RRit, R-R interval trends）：R波间期趋势
HRV阿尔法峰值频率（Alpha, peak alpha frequency HRV）：心率变异性（heart rate variability, HRV）的阿尔法频段峰值频率
HRV高频峰值（Peak HF, peak high-frequency HRV）：心率变异性的高频频段峰值
标准差绝对值（ASD, absolute values of standard deviations）：标准差的绝对值，示例：AbRASD指代腹部呼吸的标准差绝对值
HRV_nosignif：其他无统计学显著性的心率变异性参数，覆盖范围从间期（interbeat interval, ibi）至rLFHF_B

本研究定义了4个时间段，用于统计比较不同声音条件下各指标的平均值差异。在多元方差分析（multivariate analysis of variance, MANOVA）中作为协变量的时段并非固定值，而是依据现有文献资料与折线图的相似分析结果确定。
各时段详情：
时段1（Period1）：对照期，即声音开启前的10秒
时段2（Period2）：0秒至79秒
时段3（Period3）：80秒至209秒（最长3分半），持续时长130秒（约2分钟）
时段4（Period4）：210秒至390秒（最长6分半），持续时长180秒（3分钟）

（声音）主观评估量表：
激活量表（AS, activation scale）：激活量表
视觉模拟量表（VAS, visual analogue scale）：视觉模拟量表
采用激活量表法时，受试者需从11级（1至11）的10个极性陈述中选择其一；采用视觉模拟量表法时，受试者需在线条上“直观”勾选当前的心理与生理状态，该结果可编码为0–200毫米的数值。
ASpre、VASpre：声学刺激暴露前的激活量表得分与视觉模拟量表得分
ASpost、VASpost：声学刺激暴露后的激活量表得分与视觉模拟量表得分