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.
Another interesting source of insight into the significance of alpha brain waves comes from extensive research that has found alpha to be a dominant wave length in the EEG scans of those who are actively meditating, and experiencing calm yet lucid, and sometimes blissful mental states, with minimal interruptive mental activity.