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.
Gamma waves (25 to 100 Hz) typically hover around 40 Hz and are the fastest of the brain wave bandwiths. Gamma waves relate to simultaneous processing of information from different brain areas and have been associated with higher states of conscious perception. Alpha Waves, Biofeedback, Meditation, and Mindfulness.