TABLE A4-5 Magnetic-Field Exposure and Neurobehavioral Effects

Study

Species

Developmental Stage

Number per Group

Exposure Characteristics

End Points Evaluated

Outcome

Comments

Lovely et al. 1992

Rats (male)

Adult, 3 and 63 days

8 sham, 24 exposed

3.03 mT, 60 Hz

Avoidance shuttlebox for 1 hr

No effect

 

Thomas et al. 1986

Rats (male)

Adult

5 were own controls

2.6 µT, 60 Hz

FR/BRL performance mixed schedule

Decreased rate of DRL performance only

Cyclotran resonance geomagnetic

Smith and Justesen 1977

mice

Adult

39 in 3 gender groups

1.3 ± 0.3 mT, 60 Hz

Locomotor activity aggression

Field induced increase in activity

 

Ossenkopp et al. 1985

Mice (male)

Adult

In 2 experiments: 31 exposed, 20 sham; 10 exposed, 20 sham

147 ± .02 mT, 6.2 Hz (4.7), 8 mT/sec, 10 mT/sec

Analesia to morphine (latency to respond)

Attenuated analgesia day and night

Theory: pineal gland and calcium bonding

Ossenkopp and Kavaliers 1987

Mice (male)

Adult

15 sham, 10 exposed at 100 µT, 16 exposed at 50 µT twice

2 µT, 100 µT, 150 µT, 30-min exposure

Analgesia to morphine (latency to respond)

Attenuate in linear relation to 100 µT highest at 150 µT

 

Ossenkopp and Cain 1988

Rats (male)

Adult, 350 g

17 exposed, 17 sham, cross over design

100 µT, 60 Hz

Kindling after discharge duration

Attenuation of discharge in experimental groups

 



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