Iacono W G, Tuason V B
Biol Psychiatry. 1983 Mar;18(3):303-15.
Bilateral electrodermal activity (EDA) was examined in depressed patients in remission. In Study 1, 26 unipolar and 24 bipolar patients were compared to 46 psychiatrically healthy controls. Subjects were exposed to 17 86-dB pure tones while skin conductance was recorded from both hands. In Study 2, which was conducted 1 year later, many of these same subjects were recalled to form euthymic groups containing 22 unipolar, 22 bipolar, and 26 controls subjects. EDA was monitored bilaterally while subjects heard 8 86-dB tones and 12 105-dB tones followed by 8 familiar sounds that had a peak intensity of 105-dB. No consistent bilateral asymmetries in EDA were observed. Retest reliability coefficients indicating the stability of lateral differences over the 1-year period were close to zero. The results indicate that bilateral electrodermal asymmetry is not a trait characteristic of individuals prone to major affective disorder.
对处于缓解期的抑郁症患者进行了双侧皮肤电活动（EDA）检查。在研究1中，将26名单相抑郁症患者和24名双相抑郁症患者与46名精神健康的对照者进行了比较。让受试者暴露于17个86分贝的纯音中，同时记录双手的皮肤电导率。在1年后进行的研究2中，召回了许多相同的受试者，组成了心境正常组，其中包括22名单相抑郁症患者、22名双相抑郁症患者和26名对照者。当受试者听到8个86分贝的音调、12个105分贝的音调，随后是8个峰值强度为105分贝的熟悉声音时，对双侧EDA进行监测。未观察到EDA存在一致的双侧不对称性。表明1年期间侧向差异稳定性的重测信度系数接近于零。结果表明，双侧皮肤电不对称不是易患重度情感障碍个体的特质特征。
