Severe leg pain, swelling, and tenderness after an injury can also be a sign of bone fracture. Aching or itching in the legs maybe a symptom of varicose veins, those prominent blue or purple veins on the legs or ankles. If you have the following symptoms, call your doctor: Persistent pain in your leg.
Alpha waves are one type of brain waves detected either by electroencephalography (EEG) or magnetoencephalography (MEG) and predominantly originate from the occipital lobe during wakeful relaxation with closed eyes.
The Beta wave has a frequency of 14-28 cycles per second. Beta is the state in which you are active and alert. In a Alpha state, your brain waves move at a frequency between 7-14 cycles per second. The frequency of Alpha is a mental state of deep relaxation and meditation.