Mood

Nailia Schwarz via Shutterstock Runners can tell you that sometimes the last mile of a run seems to feel dramatically longer than the first. This perceptual distortion isn’t limited to brains addled by exercise—it’s a consistent feature of our minds.   Nautilus Members enjoy an ad-free experience. Log in or Join now . When we […]

Three examples of speech from a person with bipolar disorder. The rows show one second each of manic, euthymic (normal), and depressed speech. The colored rectangles show various features extracted from the speech, where color indicates the amplitude of that feature for that speaker. The 10 features measure qualities of the person’s voice like pitch, […]