The role of working memory(WM)components,such as phonological loop,in online inferential processing has thus far not been empirically examined with a dual-task paradigm.The current study used an online method to exami...The role of working memory(WM)components,such as phonological loop,in online inferential processing has thus far not been empirically examined with a dual-task paradigm.The current study used an online method to examine the effects of the two components of phonological loop-the articulatory rehearsal device and the phonological store device-on online causal inference generation during Chinese text reading.Eighty-five Chinese university students read three-sentence inference and control texts and responded to comprehension questions related to targeted inferences in different reading conditions.The results showed that in the articulatory suppression condition,response times(RTs)for comprehension questions of inference texts were considerably longer,and response errors were significantly higher than those in the normal reading condition,which indicated the effects of the articulatory rehearsal device on readers’online causal inference processes during Chinese text reading.Moreover,RTs for comprehension questions of inference texts in the irrelevant speech condition were significantly shorter than those in the normal reading condition,suggesting effects of the phonological store device on readers’causal inference processes during reading.Taken together,these findings indicate that the articulatory rehearsal device plays an important role in inference processes,but readers allocate more cognitive resources to facilitate the construction of causal relations during text-based inferential comprehension when function of the phonological store device is impaired.展开更多
The current study compared the processes of updating verbal and visuospatial working memory(WM)and examined the roles of central executive and slave systems in working memory updating tasks,by changing the number of i...The current study compared the processes of updating verbal and visuospatial working memory(WM)and examined the roles of central executive and slave systems in working memory updating tasks,by changing the number of items updated simultaneously to manipulate the load on central executive.Ex-periment 1 used the verbal WM updating task,and the results validated the efficiency of the paradigm to manipulate the load on central executive.Experiment 2 employed the verbal WM updating task,with the articulatory suppression task to interfere with the phonological loop.The results supported the study by Morris and Jones,revealing that the central executive system played an important role in the updating component of verbal WM,while the phonological loop was responsible for the serial recall component.Experiment 3 employed the visuospatial WM updating task,with the spatial tapping task to interfere with the visuospatial sketchpad.The results suggested that the visuospatial sketchpad and the central execu-tive together dealt with the updating component,while the visuospatial sketchpad was responsible for the serial recall component by itself.These results are consistent with the findings that visuospatial sketch-pad has close links with central executive,while the phonological loop is separated from the central ex-ecutive.It suggests that updating visuospatial and verbal WM are not two parallel processes.展开更多
基金supported by National Planning Office of Philosophy and Social Science in China Grant 18BYY088The First-Class Disciplines Project of Beijing Foreign Studies University[2020SYLZDXM040]+2 种基金The National Research Centre for Foreign Language Education(MOE Key Research Institute of Humanities and Social Sciences at Universities)The Fundamental Research Funds for the Central Universities Grant 2019JX085 and 2020JJ017 in Beijing Foreign Studies UniversityNatural Science Foundation Grant 19XB11 in Qingdao University of Science and Technology.
文摘The role of working memory(WM)components,such as phonological loop,in online inferential processing has thus far not been empirically examined with a dual-task paradigm.The current study used an online method to examine the effects of the two components of phonological loop-the articulatory rehearsal device and the phonological store device-on online causal inference generation during Chinese text reading.Eighty-five Chinese university students read three-sentence inference and control texts and responded to comprehension questions related to targeted inferences in different reading conditions.The results showed that in the articulatory suppression condition,response times(RTs)for comprehension questions of inference texts were considerably longer,and response errors were significantly higher than those in the normal reading condition,which indicated the effects of the articulatory rehearsal device on readers’online causal inference processes during Chinese text reading.Moreover,RTs for comprehension questions of inference texts in the irrelevant speech condition were significantly shorter than those in the normal reading condition,suggesting effects of the phonological store device on readers’causal inference processes during reading.Taken together,these findings indicate that the articulatory rehearsal device plays an important role in inference processes,but readers allocate more cognitive resources to facilitate the construction of causal relations during text-based inferential comprehension when function of the phonological store device is impaired.
基金Supported by the National Natural Science Foundation of China(Grant No.30770717)
文摘The current study compared the processes of updating verbal and visuospatial working memory(WM)and examined the roles of central executive and slave systems in working memory updating tasks,by changing the number of items updated simultaneously to manipulate the load on central executive.Ex-periment 1 used the verbal WM updating task,and the results validated the efficiency of the paradigm to manipulate the load on central executive.Experiment 2 employed the verbal WM updating task,with the articulatory suppression task to interfere with the phonological loop.The results supported the study by Morris and Jones,revealing that the central executive system played an important role in the updating component of verbal WM,while the phonological loop was responsible for the serial recall component.Experiment 3 employed the visuospatial WM updating task,with the spatial tapping task to interfere with the visuospatial sketchpad.The results suggested that the visuospatial sketchpad and the central execu-tive together dealt with the updating component,while the visuospatial sketchpad was responsible for the serial recall component by itself.These results are consistent with the findings that visuospatial sketch-pad has close links with central executive,while the phonological loop is separated from the central ex-ecutive.It suggests that updating visuospatial and verbal WM are not two parallel processes.
