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.
1 Beta Waves. 2  Beta waves have a low amplitude but are the fastest of the four brain waves. 3  We emit Beta waves when the brain is aroused and engaged in mental activities.For example when we are in conversation with another person we would be in a Beta state.he electrical activity that emanates from the brain comes in the form of brainwaves. There are five main categories of brainwaves that are experienced by all human beings and are consistent across all countries and cultures. They are: 1  Beta waves.