The frontal lobe is the most fascinating section of the brain with relation to sleep deprivation. Its functions are associated with speech as well as novel and creative thinking (5). Sleep deprived test subjects have difficulties thinking of imaginative words or ideas.
Behind knee pain is discomfort or soreness behind the knee joint. It may occur with or without movement and can be severe enough to limit movement.People may describe behind knee pain as discomfort, inflammation, increased warmth or burning, soreness, stiffness, or pain.f you experience pain behind the knee and calf with painful swelling and bruises, seek immediate emergency medical care. If your symptoms persist or cause you concern, contact a medical professional.
Quick Answer. Conditions that cause knee pain and swelling include a broken knee, arthritis of the knee, bursitis of the knee, Osgood-Schlatter disease and osteomyelitis, according to the American Academy of Orthopaedic Surgeons. Pain can range from mild to excruciating, depending on the condition. Continue Reading.