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.
Popliteus Injury. The Popliteus is a small muscle located at the back of the knee joint. An injury or strain to the muscle or tendon can cause pain at the back of the knee.ymptoms of a popliteus injury include pain at the back of the knee joint. There will be tenderness when pressing in at the back of the knee. Pain will be reproduced when the knee is bent against resistance whilst the lower leg or tibia bone is rotated outwards. Athletes with this injury commonly have tight hamstrings.