![]() ![]() The hallmark of OTV, in contrast to talkativeness, is the failure to maintain focus and coherence. It is characteristic of the speech production of a minority of elderly individuals. Off-topic verbosity (OTV) ( Glosser and Deser, 1992 Arbuckle and Gold, 1993) entails an extended series of loosely connected recollections that become increasingly unrelated to the concept of the original stimulus, and thus attenuate sequential coherence. This research contributed to fill gaps in the existing knowledge about the potential relationship between specific functions of inhibition and age-related OTV. Results showed that the OTV of the elderly participants was associated with an age-related decline in the post-mechanisms of inhibition, while the OTV exhibited by young adults was most likely due to deficits in the pre-mechanism function of inhibition. A self-involved event interview task was used to investigate the effect of the post-mechanisms of inhibition on OTV. A referential communication task was used to determine whether OTV was influenced by the pre-mechanism of inhibition. ![]() The access function is responsible for preventing irrelevant information from accessing the attention center (pre-mechanism of inhibition) The deletion function is responsible for deleting previously relevant but currently irrelevant information from working memory, and the restraint function is responsible for restraining strong but inappropriate responses (post-mechanisms of inhibition). Inhibition consists of three functions: access, deletion, and restraint. This study investigated the role of inhibition in age-related off-topic verbosity (OTV). The speech of older adults is commonly described as verbose and off-topic, which is thought to influence their social communication. 2Department of Psychology, Faculty of Education, Hubei University, Wuhan, China.1Institute of Developmental Psychology, Beijing Normal University, Beijing, China. ![]()
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