This is 12-15 Hz. It is in the frontal and occipital lobes of the brain. It relates to sensorimotor rhythm brainwaves (SMR) which relates to feeling relaxed and focused. If SMR is low then it can cause attention deficit/hyperactivity disorder (ADD or ADHD).  

New Mexico Highlands University

Beta activity has 14 or greater Hz and is seen as fast activity. It tends to be the dominant brain wave in those who are alert, anxious, or have their eyes open. It relates to problem solving, decision-making, and processing information. Because it’s wide, it’s divided into three sections, including low, midrange, and high. 

EEG Beta

Definitions. (n.d.). Neurohealth. https://nhahealth.com/brainwaves-the-language/#:~:text=THETA%20(4%2D8%20Hz),-The%20next%20brainwave&text=Theta%20waves%20are%20strong%20during,is%20also%20normal%20during%20sleep.

Definitions

Electroencephalography (EEG)’s measure electrical impulses in the brain. For ASMR experiencers and non-experiencers, watching ASMR decreased theta power, and increased beta power.

ASMR and Electroencephalography 

This is 15-18 hz. This relates to thinking and being conscious of surroundings and self. 

EEG Mid Beta

EEG Low Beta 

This is greater than 18 hz. This relates to alertness and agitation. Associated tasks include mental tasks like planning and math.

EEG High Beta

A state of heightened sensory awareness, thought, and behavior, characterized by an awareness of one's surroundings and the ability to communicate or signal understanding. When awake, beta waves are prominent in the brain.

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