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Infrasound arrays at monitoring station in Qaanaaq, Greenland.. Infrasound, sometimes referred to as low frequency sound or incorrectly subsonic (subsonic being a descriptor for "less than the speed of sound"), [1] describes sound waves with a frequency below the lower limit of human audibility (generally 20 Hz, as defined by the ANSI/ASA S1.1-2013 standard). [2]
Infrasound sensitive fibers are found to be simple bipolar cells in the auditory ganglion with a diameter of 1.6-2.2 μm at the axon and 0.9-1.2 μm at the dendrites. [19] They originate in the apical end of the cochlea and they are located near fibers that transmit low frequency sounds in the acoustic range.
Infrasound hypersensitivity (IHS) is a collection of symptoms that appears when the person has been exposed to low-frequency or infrasound noise, usually from machinery such as a wind turbine. [1] It is sometimes called wind turbine syndrome or vibroacoustic syndrome. [ 1 ]
The English suffixes -phobia, -phobic, -phobe (from Greek φόβος phobos, "fear") occur in technical usage in psychiatry to construct words that describe irrational, abnormal, unwarranted, persistent, or disabling fear as a mental disorder (e.g. agoraphobia), in chemistry to describe chemical aversions (e.g. hydrophobic), in biology to describe organisms that dislike certain conditions (e.g ...
A new study from the University of Chicago finds that all humans have an innate sense built in that makes us fear things that are moving closer towards, rather than moving away. In evolutionary ...
Scientists recently detected low-frequency sounds in our stratosphere with no known source.
This is an accepted version of this page This is the latest accepted revision, reviewed on 7 February 2025. Claimed sensitivity to electromagnetic fields This article is about a pseudomedical diagnosis. For the recognized effects of electromagnetic radiation on human health, see Electromagnetic radiation and health. Electromagnetic hypersensitivity Idiopathic environmental intolerance ...
Death anxiety can mean fear of death, fear of dying, fear of being alone, fear of the dying process, etc. [29] Different people experience these fears in differing ways. There continues to be confusion on whether death anxiety is a fear of death itself or a fear of the process of dying. [30]