Both tramadol and hydrocodone attach to receptors in your brain to change your perception of pain. However, tramadol also allows the chemical messengers norepinephrine and serotonin to remain available to your brain for a longer period. It is believed that this helps block pain signals in your spinal cord.
In cinematography, the Dutch angle is one of many cinematic techniques often used to portray psychological uneasiness or tension in the subject being filmed.
A special axis head allows for cinematographers to set up Dutch angles. A Dutch angle is a camera shot in which the camera has been rotated relative to the horizon or vertical lines in the shot. The primary use of such angles is to cause a sense of unease or disorientation for the viewer.