Influences of long- and short-distance driving on alpha waves and natural killer cell activity

Tsutomu Kamei, Kentaro Iwata, Hiroaki Kumano, Mitsuo Yasushi

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Abstract

We examined the effective amplitudes of alpha waves (using a mean frequency with a range of ± 0.5 Hz), and activity of natural killer cells in six subjects, before and after a short-distance (43 km, 1 hr.) drive, and after a midnight (am 0:00-am 7:00 to 8:00) long-distance (550 km on average, for 7 to 8 hr.) drive. Following a long-distance drive, the activity of natural killer cells tended to decrease, and the effective amplitudes of alpha waves in the photic feedback period were greater than those observed during the rest period, showing that photic driving had occurred even under physically and mentally stressful conditions. However, after short-distance driving, no photic driving response occurred and activity of natural killer cells tended to increase, possibly related to mental concentration. Avoiding midnight long-distance driving may help prevent excessive stress and preserve high activity in natural killer cells.

Original languageEnglish
Pages (from-to)1419-1423
Number of pages5
JournalPerceptual and Motor Skills
Volume87
Issue number3 PART 2
Publication statusPublished - 1998 Dec
Externally publishedYes

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Natural Killer Cells

ASJC Scopus subject areas

  • Psychology(all)
  • Experimental and Cognitive Psychology

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Influences of long- and short-distance driving on alpha waves and natural killer cell activity. / Kamei, Tsutomu; Iwata, Kentaro; Kumano, Hiroaki; Yasushi, Mitsuo.

In: Perceptual and Motor Skills, Vol. 87, No. 3 PART 2, 12.1998, p. 1419-1423.

Research output: Contribution to journalArticle

Kamei, Tsutomu ; Iwata, Kentaro ; Kumano, Hiroaki ; Yasushi, Mitsuo. / Influences of long- and short-distance driving on alpha waves and natural killer cell activity. In: Perceptual and Motor Skills. 1998 ; Vol. 87, No. 3 PART 2. pp. 1419-1423.
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