The dichotic presentation of two almost equivalent pure tones but with slightly different frequencies leads to perceive fluctuations sounds which occurs as amplitude modulation generated by the two pure tones, or so-called beat, in the brain. In the same fashion voices sounds and frequencies also affect human brain. Studies have shown that waitresses who wear red tend to get bigger tips, and red even makes us spend more online. Colors have all sorts of impact on how we spend. The reason is nothing but just being hypnotized. For instance when one goes to a supermarket to buy a single thing, he/she leaves the supermarket with a pack of huge amount of shopping. To hypnotize people to buy or do something is very common now a days. Further experimental study is needed to fully assess the effect that specifically composed BWE music could have on improving sleep quality.Ĭontrolling the human is becoming a common convenient means of not only doing business over the Internet but also getting more economical ability and powered to control different societies. It also found that some BWE methods to be more effective than others, specifically confirming that binaural beats BWE is ineffective. The study concluded although no valid research has been conducted into BWE’s effects on sleep strong evidence exists to support the use of BWE for the alleviation of headaches, back-pain, PMS whilst also increasing cognitive functioning, specifically for special reasoning tasks. Previous studies in BWE were analysed and empirical evidence gathered to discover whether poor sleep is still prevalent. Accordingly, the purpose of this research is to discover whether music that incorporates brainwave entrainment (BWE) methods could be used to alleviate troubles in getting to sleep. Poor sleep is a common problem in modern society and has been proven to cause many motoring and work related accidents each year in addition to general poor mental performance. Considering these limitations, the performance of additional studies with more adequate experimental design and data analysis is recommended, particularly focusing on the neurophysiological and behavioral effects of brain wave entrainment on mental states. Although most of the studies reviewed here indicated audio BWE effectiveness, some positive outcomes may require further investigation, with more refined and appropriate evaluation tools, better suited for each specific type of intervention and/or therapeutic target. Binaural beats were used in 15 studies (88.25%), whereas isochronic tones were used only in two studies (11.76%). These studies were fully read and critically analyzed. From that, 17 studies obtained a score of three points or more on the Jadad scale. The remaining studies were analyzed according to the Cochrane Handbook for Systematic Reviews, resulting in 33 randomized, controlled clinical trials that were then evaluated by the Jadad scale. " The search yielded 674 studies, of which 49 were in duplicate, and 592 were out of the scope of this review, and, therefore, were excluded from the study. The literature review was conducted using PUBMED, MEDLINE, LILLACS, and SCIENCE DIRECT online platforms using the search words: "audio brain entrainment, " "auditory beat stimulation, " "binaural beats, " "brainwave entrainment (BWE), " and "isochronic tones. Prolonged audio stimuli in repetitive and synchronized manner may induce changes in brain waves patterns and, consequently, modulating neurophysiological, and behavioral responses. Data from the scientific literature suggest the existence of a promising therapeutic potential in neurology and psychophysiology due to their influence on specific frequencies of brain waves and their implications for mental health and homeostasis of brain neurotransmitters. This systematic review is dedicated to deepening the study of two phenomena: binaural beats and isochronic tones.
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