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.
Specifics of the Individual Brainwaves. 1  Beta Waves. Beta waves have a low amplitude but are the fastest of the four brain waves. 2  Alpha Waves. According to frequency order Alpha brainwaves are next. 3  Theta Waves. Theta waves are even slower than the Alpha waves and have higher amplitude.  Delta Waves.