Subjective response to negative air ion exposure.

摘要: This study investigated specific subjective or psychological effects of relatively long exposure to negative ions generated by a conventional air purification device. Subjects--24 males matched for age, education, physical condition, and smoking habits--were divided into control (N = 12) an ion group 12). The groups were subjected 6 h normal negatively charged atmospheres, respectively. tests used the Taylor Manifest Anxiety Scale (TMAS) self-report mood index. analysis TMAS change scores clearly showed no effect on anxiety. Analysis index data significant changes in perception both physiological state (relaxation increased) (irritability, depression, tenseness decreased while calmness stimulation increased.