Maanya
Agarwal
Sponsor: David Corina, Ph.D. Linguistics This study, grounded in the Declarative/Procedural Hypothesis, seeks to disentangle the learning processes underlying verbal argument structure and basic word order within an artificial language paradigm as a model of second language acquisition. According to the Declarative/Procedural Hypothesis, learning a new argument structure should recruit long-term declarative memory, while learning a new word order should recruit long term procedural memory. Participants undergo memory procedures across four assessments of declarative and procedural memory. Grammaticality judgment tasks, administered twice, will gauge participants' ability to distinguish between grammatical and ungrammatical sentences of the artificial language. Ungrammatical sentences will be strategically manipulated to reflect English syntax. Response metrics including reaction time and accuracy will be collected and analyzed. Correlations between these performance metrics and memory measures will be presented suggesting that differential recruitment of memory appears during bilingual grammar learning. Through understanding of the interplay between memory systems and grammatical learning, this research has shown insights into language acquisition processes, and paves the way for a deeper understanding of the cognitive mechanisms underlying acquisition of syntax. Comparing the Effects of Discrete and Global Change Conditions on Recollection and Familiarity in Auditory Working Memory
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Maanya Agarwal
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Prior research has established that recollection and familiarity dissociate under discrete and global change conditions in visual working memory. Our current studies extend this framework, examining if these two processes dissociate in auditory working memory. For each study, 24 participants completed an auditory change detection task where 2 auditory scenes, containing 5 naturalistic sounds, were played one after another. In the discrete task, the two scenes either contained the same 5 sounds or a single sound was removed from the second scene. In the global task, the two scenes were either in the same location or the spatial locations of each sound were pinched closer together. Performance in both tasks was assessed using confidence judgments and analyzed through Receiver Operating Characteristics (ROCs). Consistent with visual working memory, discrete conditions resulted in significantly increased estimates of recollection compared with the global condition. Contrary to our prediction, global and discrete conditions resulted in comparable estimates of familiarity; however, performance was lower in the global than the discrete condition. Removing low performers in the global condition eliminated performance differences and resulted in increased estimates of familiarity compared with the discrete condition. Future studies will utilize similar conditions in older and middle-aged groups. Understanding In-Situ Context of Media Regulation in Early Childhood Joshlyn Aguirre
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UC Davis / Psychology / 2025
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Maanya Agarwal