Einfluss Hochfrequenter Elektromagnetischer Felder Auf Gehirnaktivität, Schlaf Und Kognitive Leistungsfähigkeit älterer Frauen
Overview
- Phase
- Not Applicable
- Intervention
- Not specified
- Conditions
- Nervous System Effects
- Sponsor
- The Federal Office for Radiation Protection, Germany
- Enrollment
- 30
- Locations
- 1
- Primary Endpoint
- sleep assessed by EEG power
- Status
- Completed
- Last Updated
- 5 years ago
Overview
Brief Summary
The purpose of this study is to investigate possible effects of radio frequency electromagnetic fields on EEG activity during sleep and on Brain function during wake (EEG in the resting state condition, slow EEG potentials, auditory evoked potentials) and cognitive performance measures in test of selective attention, divided attention and working memory in healthy elderly females (60 - 80 years).
Detailed Description
To investigate possible effects of radio frequency electromagnetic fields on EEG activity during sleep and on Brain function during wake (EEG in the resting state condition, slow EEG potentials, auditory evoked potentials) and cognitive performance measures in test of selective attention, divided attention and working memory in healthy elderly females (60 - 80 years). Subjects will be exposed with signals from mobile communication handheld devices for 7.5 h during the night and for the whole duration of the test session during the day. Exposures will be GSM (900 MHz), TETRA (400 MHz) and sham. Each subject is exposed with each exposure three times in addition to an adaptation/screening night and day to learn the test. The results have to be discussed in the context of possible health risks resulting from RF
Investigators
Heidi Danker-Hopfe, Ph.D.
Head of Competence Center of Sleep Medicine
The Federal Office for Radiation Protection, Germany
Eligibility Criteria
Inclusion Criteria
- •healthy male subjects (age 60 - 80 years) right handedness alpha EEG as resting state EEG
Exclusion Criteria
- •acute illness severe neurological, psychiatric or internal disease CNS active medication sleep disorders drug abuse
Outcomes
Primary Outcomes
sleep assessed by EEG power
Time Frame: during 8 h exposure
Secondary Outcomes
- restin g state waking EEG (Power)(during exposure 4 h)