noun
or alpha rhythm
: an electrical rhythm of the brain that can be recorded by an electroencephalograph, occurs 8 to 13 cycles per second, and is often associated with a state of wakeful relaxation
noun
or alpha rhythm
: an electrical rhythm of the brain that can be recorded by an electroencephalograph, occurs 8 to 13 cycles per second, and is often associated with a state of wakeful relaxation
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012