Research report: Task-defined processing demands modulate effector-related information in literal and metaphorical action language comprehension

Chinese speakers responded more quickly to action-language phrases when the body part implied by the phrase matched the body part used to make the judgment, but this effect was detectable most reliably in the study’s most demanding task. The finding comes from an experiment involving 36 native Chinese-speaking university students and suggests that effector-related information can contribute to the processing of both literal and metaphorical action language under particular task conditions. Participants judged Chinese literal and metaphorical action phrases associated with hand- or leg-related actions.

For each phrase, they made a response using either a hand-related or a leg-related response, allowing the researchers to measure whether reaction times were faster when the phrase’s implied effector matched the response effector. Three tasks varied the processing demands imposed on participants. A symbol judgment task represented the lowest processing-demand condition, a lexical decision task represented an intermediate condition, and an effector judgment task explicitly asked participants to consider the body part associated with an action.

The phrase materials included both literal actions and metaphorical actions in which bodily actions were mapped onto abstract domains, allowing the study to compare the contribution of effector-related information across types of language and task demands. The clearest result appeared in the high-depth effector judgment condition. In that task, participants responded faster when the effector implied by the action phrase matched the effector used to execute their response than when the two were mismatched.

The researchers reported no reliable congruency effects in the lower-depth symbol judgment or lexical decision tasks. Thus, the behavioral signature of the implied body part emerged when the task explicitly directed attention toward effector-related semantic information, rather than appearing consistently across all response tasks. Trend analyses showed a significant overall linear component in the congruency effects across the task-defined processing conditions.

However, this trend was statistically reliable only in the material-specific analysis for metaphorical action phrases. The interaction among material type, processing depth and congruency was not significant. In statistical terms, the study therefore supports a relationship between task-defined processing demands and the measured congruency effect, while it does not show a clear three-way distinction between literal and metaphorical phrases.

Within the study’s framework, metaphorical action phrases require an implied meaning that is not directly stated by literal bodily actions. Their meaning is inferred through conceptual mapping from bodily experience to abstract domains. The experiment measured response times, however, and does not identify a specific neural or motor mechanism as the cause of the observed congruency effect.

The study’s results point to a task-dependent pattern in embodied language processing. The term “processing depth” refers here to the differing demands created by the response tasks, not to directly measured stages of mental processing. Because the experiment included 36 Chinese-speaking university students and used a particular set of Chinese literal and metaphorical phrases, the findings provide evidence from a specific participant group, language and experimental procedure.

The absence of a significant material type × processing depth × congruency interaction also limits conclusions about whether literal and metaphorical expressions behaved differently across the full set of conditions. For embodied accounts of language, the central implication is that information about action-related body parts can influence how both literal and metaphorical action phrases are processed, but that its behavioral expression is not uniform. Participants did not show a reliable response-effector advantage in the two lower-demand tasks, while the advantage appeared in the task that explicitly focused on action-related body parts.

Subject of Research: Task-dependent effector processing in Chinese literal and metaphorical action-language comprehension

Article Title: Task-defined processing demands modulate effector-related information in literal and metaphorical action language comprehension

Article References: Liu, L., & Wang, Y. (2026). Task-defined processing demands modulate effector-related information in literal and metaphorical action language comprehension. BMC Psychology. https://doi.org/10.1186/s40359-026-05571-6

Image Credits: AI Generated

DOI: 10.1186/s40359-026-05571-6

Keywords: action language, metaphor comprehension, embodied cognition, effector congruency, reaction times, Chinese language, processing demands, psycholinguistics, Task-defined, processing, demands, modulate