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What is Radiofrequency

Chapter 57
Encyclopedia of Mobile Phone Behavior
Electromagnetic fields have frequencies of radiation in time and space. These go from large wavelength and slow cycles such as 3 KHz to short wavelength and fast cycles such us 300 GHz.
Published in Chapter:
Mobile Phones-Like Electromagnetic Fields Effects on Human Psychomotor Performance
Elia Valentini (Sapienza University of Rome, Italy) and Giuseppe Curcio (University of L'Aquila, Italy)
Copyright: © 2015 |Pages: 11
DOI: 10.4018/978-1-4666-8239-9.ch057
Abstract
Nowadays nearly more than half of human beings on the planet are directly or indirectly exposed to an “evolutionary” novel physical agent: the electromagnetic fields (EMFs) emitted by cellular phones, base stations, as well as other types of wireless communication technologies. More than 10 years ago several studies reported that cognitive functions of human beings may have been altered while exposed to radiofrequency (RF) EMFs. Yet, the genuine effect of these non-ionizing radiations on human behaviour was not replicated by several other recent and more methodologically robust studies. Latest reviews and metanalyses confirmed the paucity of evidence in favour of psychomotor and cognitive effects of acute RF EMF exposure on human volunteers in well controlled laboratory settings. Thus, despite persisting concerns on potential biologic effects of acute RF EMFs irradiation, there is substantial lack of evidence that RF radiation can affect cognitive functions in humans.
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More Results
Chapter 1
Design of Experiments in an Electrochemical Process
Also called radio frequency spectrum or RF, it is applied to the least energetic portion of the electromagnetic spectrum, located between about 3 Hz and about 300 Ghz. The Hertz is the unit of measurement of the frequency of the waves and corresponds to one cycle per second.
Published in Chapter: Design of Experiments in an Electrochemical Process; From: Design of Experiments for Chemical, Pharmaceutical, Food, and Industrial Applications
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Chapter 532
Human Psychomotor Performance Under the Exposure to Mobile Phones-Like Electromagnetic Fields
Electromagnetic fields have frequencies of radiation in time and space. These go from large wavelength and slow cycles such as 3 KHz to short wavelength and fast cycles such us 300 GHz.
Published in Chapter: Human Psychomotor Performance Under the Exposure to Mobile Phones-Like Electromagnetic Fields; From: Encyclopedia of Information Science and Technology, Fourth Edition
Full Text Chapter Download: US $37.50 Add to Cart
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