New theory proposed for hearing microwaves
Harvey J. Hindin · 1974
Key Finding: 83% of 1,950 primary studies on brain & nervous system found biological effects from EMF exposure.
Of 1,950 studies examining brain & nervous system, 83% found measurable biological effects from EMF exposure.
Lowest Documented Effect
Research found effects on brain & nervous system at exposures as low as:
Research Overview
- -When you review the peer-reviewed literature on electromagnetic field exposure and brain function, the numbers tell a compelling story: 84% of the 2,753 studies examining this relationship have documented measurable effects.
- -This isn't a fringe concern or preliminary finding.
- -This is the dominant scientific picture, and it deserves your attention.
When you review the peer-reviewed literature on electromagnetic field exposure and brain function, the numbers tell a compelling story: 84% of the 2,753 studies examining this relationship have documented measurable effects. This isn't a fringe concern or preliminary finding. This is the dominant scientific picture, and it deserves your attention. The documented effects span multiple systems within your nervous system.
Of 2,753 studies examining EMF effects on the brain and nervous system, approximately 84 percent found measurable biological effects.
The scientific evidence demonstrates that radiofrequency electromagnetic fields from mobile phones and wireless devices produce measurable effects on nervous system function and cellular processes in the brain.
Source: BioInitiative Working Group. BioInitiative Report: A Rationale for Biologically-based Public Exposure Standards for Electromagnetic Radiation. Edited by Cindy Sage and David O. Carpenter, BioInitiative, 2012, updated 2020. www.bioinitiative.org
Research Statistics by EMF Type
| EMF Type | Studies | Showing Effects | Percentage |
|---|---|---|---|
| ELF | 229 | 208 | 91.00% |
| RF | 305 | 222 | 72.00% |
Source: Dr. Henry Lai research database
Showing 2,030 studies
Resonance absorption of microwave by the human skull
Joines WT, Spiegel RJ · 1974
Researchers modeled the human skull as six concentric layers (skin, fat, bone, dura, cerebrospinal fluid, and brain) and calculated microwave absorption across the 0.1-3 GHz band for skull radii of 7 cm and 10 cm. The inhomogeneous model showed a broad absorption peak near 2.1 GHz with peak values of 1.52 for the 7 cm radius and 3.38 for the 10 cm radius, a peak not present in the homogeneous model.
Mechanisms initiating cataract formation Proctor Lecture
Jin H. Kinoshita · 1974
DEATH BY BIOENTRAINMENT?
E. Stanton Maxey, M.D. · 1974
Lethal Effects of 3000 MHz Radiation on the Rat
John Schrot, T. Daryl Hawkins · 1974
At each exposure duration, mortality increased with higher incident energy density, and the energy density required to kill 50% of rats rose from 1.18 to 1.67 W-min/cm² as duration increased from 30 to 240 seconds. The corresponding lethal power density fell from 2.36 to 0.42 W/cm², an 85% decrease across the duration range. Heavier rats weighing 195 to 210 g were more vulnerable than lighter rats weighing 180 to 194 g.
Do you hear what I hear?
Hindin HJ, Frey AH · 1974
Regulation of Animal Population Activity by Electrostatic Charges Surrounding the Body Surfaces
S. Lang · 1974
Researchers measured electrostatic charges from mice and rats and found an average field strength of 200 V/m. Total population activity depended on animal density in cages, explained by thigmotaxis. Higher density increased touch frequency and rubbing, raising field strength until animals reduced activity to match a nominal value.
Brain & Nervous SystemNo Effects Found
Microwave Cataracts
B. Appleton · 1974
Biomicroscopically detectable lens signs considered precursors of cataract occurred equally in both groups. A registry of seven acute high-level microwave exposures found no superficial burns or eye damage, with ocular status consistent with age. The authors concluded that lens damage probably has not occurred from cumulative low-level exposure and probably could not occur from acute exposure without severe facial burns. A separate study of 19 diathermy workers showed no difference in ocular examinations compared to controls.
EFFECTS OF MICROWAVE IRRADIATION ON EMBRYONIC BRAIN TISSUE
DAVID McK. RIOCH, M.D. · 1974
Electrosensory Input to the Corpus Cerebelli of the High Frequency Electric Fish Eigenmannia virescens
Joseph Bastian · 1974
ELECTROPHYSIOLOGICAL EFFECTS OF ELECTROMAGNETIC FIELDS ON ANIMALS
Arthur W. Guy, James C. Lin, C.K. Chou · 1974
Researchers conducted in vivo and in vitro studies of nervous tissues exposed to microwave radiation. Continuous-wave microwaves affected conduction and transmission latencies and amplitudes of evoked potentials in the central nervous system of anesthetized cats, isolated cat nerves, and rabbit ganglia similarly to localized conduction heat. Temperature rises were always associated with any observable changes in the nervous tissues exposed to continuous-wave irradiation. The threshold for latency changes occurred between 2.5 and 5.0 W/kg of absorbed power density, about one-quarter to one-half of the normal metabolic rate of brain tissue.
IRRADIATION EFFECTS ON MUSCLE MEMBRANE ACETYLCHOLINE RESPONSE
A.Portela et al. · 1974
Morphological Changes in Pyramidal Cells of Mammalian Neocortex Associated with Increased Use
L. T. Rutledge, C. Wright, J. Duncan · 1974
Microwave Hearing: Evidence for Thermoacoustic Auditory Stimulation by Pulsed Microwaves
H. H. Seliger et al. · 1974
The transients were confirmed to be thermal in origin by temperature dependence. Similar transients were observed in biological tissues. At human hearing threshold, the transients produce about 90 db in the audible band, above the expected bone-conduction threshold.
The Impact of Electrical Energies on Psychodynamics
Eldon Byrd · 1974
The author states that the paper will explore recent findings concerning possible external and internal electrical influences on psychodynamic development and states. Rhythms are described as the central theme, with their initiation, maintenance, and correlation at the core of normal and pathological psychodynamic states. Severe brain damage eliminates adrenal steroid hormone circadian rhythm. The deaf can respond to pulse-modulated electronic transmitters, implying a possible cellular response integrated by an organ or the brain.
QUANTITATION OF MICROWAVE RADIATION EFFECTS ON THE EYES OF RABBITS AT 2450 MHz AND 918 MHz
Arthur W. Guy, James C. Lin, Piro O. Kramar, Ashley F. Emery · 1974
Absorbed power peaked in the vitreous body at 0.92 mW/cm² per 1 mW/cm² incident power. Eye temperatures reached plateaus after 15-20 minutes, with 100 mW/cm² staying below 41°C while 200 and 300 mW/cm² exceeded 41°C. Eighty-one rabbits were used to determine the cataractogenic threshold for 2450 MHz radiation.
From King, Hunt, Phillips - Presentation at IMPI Milwaukee - 28 May 74
King, Hunt, Phillips · 1974
MICROWAVE HEARING: EVIDENCE FOR THERMOACOUSTIC STIMULATION OF THE HUMAN AUDITORY SYSTEM BY PULSED MICROWAVES
K. Foster · 1974
The transients were confirmed as thermal by their disappearance at 4°C where water's expansion coefficient vanishes. At the human hearing threshold, microwave pulses produced 90 dB pressure transients, above the 80 dB bone-conduction threshold for noise bursts.
ANALYSIS OF CENTRAL NERVOUS SYSTEM INVOLVEMENT IN THE MICROWAVE AUDITORY EFFECT
Eugene M. Taylor, Bonnie T. Ashleman · 1974
THE BRAIN MACHINES ARE HERE
JAMES P. MILLER · 1974
METABOLIC AND THERMOREGULATORY RESPONSES TO MICROWAVE RADIATION IN YOUNG MALE RATS
William M. Houk, Sol M. Michaelson · 1974
Theoretical Analysis of Tissue Stimulation by Implanting Solid-State Diode
J.H. Gold, J.C. Schuder · 1973
Whole Body / GeneralNo Effects Found
MEDICAL FOLLOW-UP STUDY OF HIGH VOLTAGE LINEMEN WORKING IN AC ELECTRIC FIELDS
M. L. Singewald et al. · 1973
THE USE OF MICROWAVE HEATING TO INACTIVATE CHOLINESTERASE IN THE RAT BRAIN PRIOR TO ANALYSIS FOR ACETYLCHOLINE
W. B. STAVINOHA, S. T. WEINTRAUB, A. T. MODAK · 1973
Uniform cholinesterase inactivation was achieved in rat brain within 4 s and in mouse brain within 2 s. In rats, whole-brain acetylcholine was 25-4 + 1-5 nmol/g after irradiation compared to 13:8 + 1-7 nmol/g after standard sacrifice. In mice, whole-brain acetylcholine was 25:5 + 2:6 nmol/g after irradiation compared to 13-7 + 1:7 nmol/g after standard sacrifice.
A SEMICLASSICAL THEORY FOR NERVE EXCITATION BY A LOW INTENSITY ELECTROMAGNETIC FIELD
Ronald J. Spiegel, William T. Jones · 1973
The paper introduces a semiclassical theory that treats the electromagnetic field classically and the membrane dipoles quantum mechanically using the density matrix approach. The model assumes a double-dipole layer membrane where nerve excitation occurs when enough outer dipoles flip orientation to reduce the potential barrier.
Learn More
For a comprehensive exploration of EMF health effects including brain & nervous system, along with practical protection strategies, explore these books by R Blank and Dr. Martin Blank.
FAQs: EMF & Brain & Nervous System
When you review the peer-reviewed literature on electromagnetic field exposure and brain function, the numbers tell a compelling story: 84% of the 2,753 studies examining this relationship have documented measurable effects. This isn't a fringe concern or preliminary finding. This is the dominant scientific picture, and it deserves your attention. The documented effects span multiple systems within your nervous system.
The SYB Research Database includes 1,950 peer-reviewed studies examining the relationship between electromagnetic field exposure and brain & nervous system. These studies have been conducted by researchers worldwide and published in scientific journals. The research spans multiple decades and includes various types of EMF sources including cell phones, WiFi, power lines, and other common sources of electromagnetic radiation.
83% of the 1,950 studies examining brain & nervous system found measurable biological effects from EMF exposure. This means that 1621 studies documented observable changes in biological systems when exposed to electromagnetic fields. The remaining 17% either found no significant effects or had inconclusive results, which is typical in scientific research where study design and exposure parameters vary.