Doppelgänger The Doppelgänger is a phenomenon in which the person feels that their exact “double” is present alongside them every time and goes with them wherever they go. Écho de la pensée I n écho de la pensée , meaning "thought echo" in French, thoughts seem to be spoken aloud, just after Being produced. The individual hears the 'echo' of their thoughts in the form of a voice after they have made the thought. See also Gedankenlautwerden and Thought sonorization . Copyright Notice Adapted from Wikipedia. Text is available under the  Creative Commons Attribution-ShareAlike License 3.0 ; additional terms may apply.