Study type: Medical/biological study (experimental study)

Exposure to RF electromagnetic energy decreases aggressive behavior med./bio.

By: Frey AH, Spector J
Published in: Agress Behav 1986; 12 (4): 285-291
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Aim of study (acc. to author)

To test the hypothesis that aggression induced by aversive stimulation would be modified by exposure of animals to low-intensity electromagnetic energy.

Endpoint

Exposure

Exposure Parameters
Exposure 1: 1.3 GHz
Modulation type: pulsed
Exposure duration: 5 min sessions
Exposure 2: 1.3 GHz
Modulation type: pulsed
Exposure duration: 5 min sessions
Exposure 3: 1 GHz
Modulation type: pulsed
Exposure duration: 5 min sessions
  • power density: 50 µW/cm² peak value (25 µW/cm² average value.)
  • power density: 200 µW/cm² peak value (100 µW/cm² average value.)
  • power density: 100 µW/cm² peak value (50 µW/cm² average value.)
Exposure 4: 1 GHz
Modulation type: pulsed
Exposure duration: 5 min sessions
  • power density: 50 µW/cm² peak value (5 µW/cm² average value.)
  • power density: 100 µW/cm² peak value (10 µW/cm² average value.)
  • power density: 200 µW/cm² peak value (20 µW/cm² average value.)
Exposure 5: 1 GHz
Modulation type: CW
Exposure duration: 5 min sessions

Exposure 1

Main characteristics
Frequency 1.3 GHz
Exposure duration 5 min sessions
Modulation
Modulation type pulsed
Pulse width 500 µs
Repetition frequency 1,000 Hz
Exposure setup
Exposure source
Chamber Acrylic box/ 20 cm x 20 cm x 30 cm
Setup box with upper and lower section placed on a wooden table in the anechoic chamber; two 1.3 cm diameter holes were centered on opposite sides of the lower section, 3.5 cm above the box's floor; Sprague Dawley rats were placed in it with their tails passing through the holes and held by tape on an acrylic bar mounted above the hole at the right side of the box.
Parameters
Measurand Value Type Method Mass Remarks
power density 6.5 W/m² mean measured - -

Exposure 2

Main characteristics
Frequency 1.3 GHz
Exposure duration 5 min sessions
Modulation
Modulation type pulsed
Pulse width 500 µs
Repetition frequency 1,000 Hz
Exposure setup
Exposure source
Parameters
Measurand Value Type Method Mass Remarks
power density 4 W/m² peak value measured - -
power density 2 W/m² mean measured - -

Exposure 3

Main characteristics
Frequency 1 GHz
Exposure duration 5 min sessions
Modulation
Modulation type pulsed
Pulse width 500 µs
Repetition frequency 1,000 Hz
Exposure setup
Exposure source
Parameters
Measurand Value Type Method Mass Remarks
power density 50 µW/cm² peak value measured - 25 µW/cm² average value.
power density 200 µW/cm² peak value measured - 100 µW/cm² average value.
power density 100 µW/cm² peak value measured - 50 µW/cm² average value.

Exposure 4

Main characteristics
Frequency 1 GHz
Exposure duration 5 min sessions
Modulation
Modulation type pulsed
Pulse width 100 µs
Repetition frequency 1,000 Hz
Exposure setup
Exposure source
Parameters
Measurand Value Type Method Mass Remarks
power density 50 µW/cm² peak value measured - 5 µW/cm² average value.
power density 100 µW/cm² peak value measured - 10 µW/cm² average value.
power density 200 µW/cm² peak value measured - 20 µW/cm² average value.

Exposure 5

Main characteristics
Frequency 1 GHz
Exposure duration 5 min sessions
Modulation
Modulation type CW
Exposure setup
Exposure source
Parameters
Measurand Value Type Method Mass Remarks
power density 200 µW/cm² peak value measured - -

Exposed system:

Methods Endpoint/measurement parameters/methodology

Investigated system:
Time of investigation:
  • during exposure

Main outcome of study (acc. to author)

In a series of three experiments, it was revealed that there was a substantial decrease in aggressive behavior during irradiation to electromagnetic energy at incident power densities as low as 50 µW/cm².

Study character:

Study funded by