Two studies were conducted to determine if dose-related effects of microwaves could be shown on two behavioral tasks. The first study was designed to examine microwave effects upon discriminative performance; the second study was conducted to determine the effects of exposure upon the acquisition of behaviour.
| Exposure | Parameters |
|---|---|
|
Exposure 1:
2.45 GHz
Modulation type:
CW
Exposure duration:
2 min unless subject began to convulse prior
|
|
|
Exposure 2:
2.45 GHz
Modulation type:
CW
Exposure duration:
2 min on - 1 min off during 1 h for 5 consecutive days
|
|
|
Exposure 3:
2.45 GHz
Modulation type:
CW
Exposure duration:
2 min or until convulsion
|
| Frequency | 2.45 GHz |
|---|---|
| Type | |
| Exposure duration | 2 min unless subject began to convulse prior |
| Modulation type | CW |
|---|
| Exposure source |
|
|---|---|
| Setup | subjects were held in plastic restraining chairs in the experimental chamber; applicator held close to the subject's head by a copper-lined plastic helmet |
| Sham exposure | A sham exposure was conducted. |
| Frequency | 2.45 GHz |
|---|---|
| Type | |
| Exposure duration | 2 min or until convulsion |
| Modulation type | CW |
|---|
| Exposure source |
|
|---|
No behavioral deficits were revealed after exposure under these conditions at dose rates less than about 15 W. Irradiation at higher levels produced either burns on the skin or severe convulsions without reliably causing changes in task performance. The results suggest that complex tasks (such as repeated acquisition) may be more sensitive to irradiation effects than are simple schedule control tasks, but this is a hypothesis.
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