Listening back in time: Does attention to memory facilitate word-in-noise identification?

The ephemeral nature of spoken words creates a challenge for oral communications where incoming speech sounds must be processed in relation to representations of just-perceived sounds stored in short-term memory. This can be particularly taxing in noisy environments where perception of speech is often impaired or initially incorrect. Usage of prior contextual information (e.g., a semantically related word) has been shown to improve speech in noise identification. In three experiments, we demonstrate a comparable effect of a semantically related cue word placed after an energetically masked target word in improving accuracy of target-word identification. This effect persisted irrespective of cue modality (visual or auditory cue word) and, in the case of cues after the target, lasted even when the cue word was presented up to 4 seconds after the target. The results are framed in the context of an attention to memory model that seeks to explain the cognitive and neural mechanisms behind processing of items in auditory memory.     

The effects of frontal lobe functioning and age on veridical and false recall

Washington University, St. Louis, Missouri Older adults’ heightened susceptibility to false memories has been linked to compromised frontal lobe functioning as estimated by Glisky and colleagues’ (Glisky, Polster, & Routhieaux, 1995) neuropsychological battery (e.g., Butler, McDaniel, Dornburg, Price, & Roediger, 2004). This conclusion, however, rests on the untested assumption that young adults have uniformly high frontal functioning. We tested this assumption, and we correlated younger and older adults’ frontal scores with veridical and false recall probabilities with prose materials. Substantial variability in scores on the Glisky battery occurred for younger (and older) adults. However, frontal scores and age were independent contributors to recall probabilities. Frontal functioning is not the sole cause of older adults’ heightened susceptibility to false memories.     

Comparing two career adaptability measures for career construction theory: Relations with boundaryless mindset and protean career attitudes

We examined the constructs underlying the Career Maturity Inventory-Adaptability Form (CMI-C) and the Career Adapt-Abilities Scale (CAAS). Data from 852 university students indicated that the second-order factors for both scales correlate .43, suggesting that they measure different yet related constructs. All three subscales of the CMI-C correlate most with the “concern” subscale of the CAAS rather than with the corresponding subscale. It appears that the CMI-C is a measure of particular career adaptability for choosing a career whereas the CAAS is a global measure of career adaptability for dealing with all of the tasks of vocational development across the life span. Regression analyses show that the CMI-C does not add to the prediction of boundaryless mindset and protean career attitudes over the CAAS. Relationships between the CMI-C and CAAS with entrepreneurial, professional, and leadership career motivation profiles showed that the CAAS is more strongly related to boundaryless mindset and protean career attitudes, while the CMI-C appears to relate to more traditional (professional and leadership) career motivations.     

Acknowledgments 2002

Dedication

Acknowledgments 2002     

Are older adults in Hong Kong “living in history” in their autobiographical memories?

Transition theory posits that autobiographical memories are organized by major life transitions, which is often supported by the Living-in-History effect that occurs when people frequently refer to public events to support their date estimates of personal events. In the present study, 52 Chinese older adults in Hong Kong recalled autobiographical events using cue-word method and justified the date estimates of the events. They also reported the most important events and assessed their impacts. Results showed that participants referred to public events only when estimating the date of 5.5% of word-cued events and reported a few public events as personally important, suggesting an absence of the Living-in-History effect. Nonetheless, word-cued events and important events accumulated around major life transitions to form a transition bump; the material change that important events brought about predicted whether the important events were used to organize autobiographical memory, thereby providing new evidence for the transition theory.