Gaze signals both cue direction and agent mental states

Although it is well established that humans spontaneously follow where others are looking, it remains debated if this gaze following behaviour occurs due to the gaze cue’sdirectional information (i.e., where an agent is attending) or the agent’s inferred mental state (i.e., what they are attending to). We tested this notion by assessing the combined anddissociated effects of the gaze cue direction and the agent’s mental content. Gazed-at target performance was compromised when cue direction and inferred mental content were dissociated relative to when they were combined. This effect was especially prominent for social relative to nonsocial cues. Thus, gaze signals include information about both the cue direction and the gazer’s mental content, communicating information about where gazed at items are located and what those items are.