Eye-catching studies that didn't make the final cut:
Neurons identified that respond to scratching only when itchy.
The psychophysics of brightness.
People with autism and associated conditions may show deficits in emotion and face processing but they still exhibit a sensitivity to angry faces, as neuro-typical people do.
Aren't I fascinating? - we find it difficult to disengage attention from our own face. However, other highly-familar, high status faces had a similar effect.
Clients who get to choose what kind of treatment they receive tend to do slightly better in therapy and are less likely to drop out, meta-analysis shows.
Too much feedback can be a bad thing.
The benefits of elevation, gratitude, and admiration.
The psychology of swearing (review paper).