Directed forgetting of autobiographical memory in mild Alzheimer's disease

Using the autobiographical directed forgetting method (Barnier et al., 2007), the present paper addressed the intentional inhibitory processes of episodic and semantic autobiographical memory in Alzheimer's disease (AD). Mild AD patients and healthy elderly people were instructed to either forget or to continue remembering previously generated autobiographical events. In a later recall test they were asked to reconstruct the early-generated memories regardless of the forget/remember instruction. Autobiographical reconstruction was further distributed into episodic and semantic memories. Results showed no forget instruction effect on episodic or semantic autobiographical recall with AD patients, whereas healthy elderly people were able to inhibit only episodic autobiographical memories. The findings suggest an impairment of the intentional inhibitory processes in autobiographical memory with AD and a relative preservation of these mechanisms with normal ageing. They also demonstrate an earlier decline in the intentional inhibitory processes compared to the autobiographical deterioration in AD.     

Utilitarian relevance and face management in the interpretation of ambiguous question/request statements

Often, requests are made in an indirect manner and phrased in such a way that they can also be construed as questions. For example, the sentence “Is there any coffee left?” can be construed either as a question about coffee or as a request for coffee. This article offers a combined test of some key predictions of two approaches to the disambiguation of question/request statements: (1) the face management approach, which gives a prominent role to variables such as status and potential loss of face; and (2) the utilitarian relevance approach, which gives a prominent role to the goals pursued by the speaker at the time he or she issues the statement. Ambiguous question/request statements provide a natural test bed for the latter approach in particular. A board game paradigm is developed to allow for a clean, orthogonal manipulation of all variables. The results wholly support the utilitarian relevance approach and offer new perspectives on the face management approach.     

Summarizing digital documents: effects of alternate or simultaneous window display

We investigated the effect of window visibility on the computer‐based summarizing of digital documents. Two experiments studied the impact of the simultaneous or alternate display of the windows containing the notepad and source documents. In Experiment 1, the participants were asked to summarize the content of the source documents. In Experiment 2, they were required to copy out sections of the source documents. The results showed that in the alternate condition, the participants performed fewer reading and writing cycles than in the simultaneous condition. Furthermore, in the alternate condition, the writing episodes were both more numerous and more effortful, while quality of the summaries produced using the copying strategy was also affected. These experiments highlight the need for writers to be able to navigate freely and easily between the windows so that they can construct an overall mental representation of their summaries. Copyright © 2007 John Wiley & Sons, Ltd.     

Stereotype internalization and women’s math performance: The role of interference in working memory

It has long been argued that stigmatized individuals can ultimately internalize the stereotype alleging their inferiority. The present article investigated whether the internalization of the reputation of math inferiority that targets women can affect their math performance and whether this influence is caused by a disruption of working memory. A first study showed that stereotype endorsement had a significant impact on women’s statistic performance by lowering their self-evaluation of math ability even when controlling for prior achievement. A second study was designed to assess the possibility that the lower math performance displayed by women with low self-evaluation of math ability was due to interference in working memory. Using a dual task paradigm, this study showed that indeed women with low math self-evaluation displayed more errors and spent more time solving additions than women with high math self-evaluation, but mainly on difficult items of the dual task. The findings, which are congruent with an explanation in terms of a temporary disruption of working memory, are discussed.     

Goal-relevant situations facilitate memory of neutral faces

Emotional situations are typically better remembered than neutral situations, but the psychological conditions and brain mechanisms underlying this effect remain debated. Stimulus valence and affective arousal have been suggested to explain the major role of emotional stimuli in memory facilitation. However, neither valence nor arousal are sufficient affective dimensions to explain the effect of memory facilitation. Several studies showed that negative and positive details are better remembered than neutral details. However, other studies showed that neutral information encoded and coupled with arousal did not result in a memory advantage compared with neutral information not coupled with arousal. Therefore, we suggest that the fundamental affective dimension responsible for memory facilitation is goal relevance. To test this hypothesis at behavioral and neural levels, we conducted a functional magnetic resonance imaging study and used neutral faces embedded in goal-relevant or goal-irrelevant daily life situations. At the behavioral level, we found that neutral faces encountered in goal-relevant situations were better remembered than those encountered in goal-irrelevant situations. To explain this effect, we studied neural activations involved in goal-relevant processing at encoding and in subsequent neutral face recognition. At encoding, activation of emotional brain regions (anterior cingulate, ventral striatum, ventral tegmental area, and substantia nigra) was greater for processing of goal-relevant situations than for processing of goal-irrelevant situations. At the recognition phase, despite the presentation of neutral faces, brain activation involved in social processing (superior temporal sulcus) to successfully remember identities was greater for previously encountered faces in goal-relevant than in goal-irrelevant situations.     

Strategy selection and aging: impact of item concreteness in paired-associate task

The aim of this study was to examine the effect of aging on strategy selection in a paired-associate word task. Twenty-eight younger adults (mean age = 20.68 years) and 28 older adults (mean age = 68.46 years) studied 39 pairs of concrete, middle and abstract words. The concreteness level was manipulated in order to modify the benefit of imagery and sentence strategies in relation to task characteristics. The results showed an age difference in strategy selection in relation to concreteness level. Older adults showed less adaptive strategy selection for the imagery strategy but not for the sentence strategy. Change in strategy selection did not seem to be explained by better efficiency of sentence than imagery, so this study suggests a partial reduction of strategy adaptivity during aging.     

How French Speaking Children Understand Promises: The Role of the Future Tense

The purpose of this study was to gain insight into one of the textual characteristics of promises: the future tense as a temporal marker of utterances. More specifically, our aim was to determine the role of the future tense in the comprehension of promises by native French-speaking children between the ages of 3 and 9. In line with speech act theory, a promise is defined here as a commitment on the part of a speaker to perform a future act. Promise comprehension is assumed to be dependent upon textual characteristics (the linguistic form of the utterance, temporal markers in the utterance, etc.) as well as contextual characteristics (listener's desire, social implications of the promise, etc.). Children performed a story-completion task from two-character stories presented in comic strip form. The stories varied in two ways: the verb tense (immediate future, simple future, or past) and the utterance production context (specific or neutral). The main results can be summarized as follows: (1) The 3- and 6-year-olds based their interpretation of the promises primarily on the contextual characteristics of the communication situation; (2) after the age of 6, the children began to rely on temporal markers in the utterances whenever the immediate future tense was used and promise-specific contextual information was lacking; and (3) the 9-year-olds always based their interpretation of the promises on temporal cues in the utterance. The results are discussed in the framework of interactionist theories of development and models of language functioning.     

Collective guilt,moral outrage,and support for helping the poor: A matter of system versus in‐group responsibility framing

We examined how the framing of responsibility for reducing socio‐economic inequality affects individuals' emotional reactions towards the poor and the willingness to engage in prosocial actions. Attribution of responsibility to either the system (government and institutions), the less deprived in‐group, or the disadvantaged out‐group (poor) was measured (Study 1) and manipulated (Study 2). Consistent with our hypotheses, moral outrage was higher than collective guilt when system responsibility for inequalities was put forth, but collective guilt arose to reach the level of moral outrage when in‐group responsibility was emphasized. Moreover, distinguishing between collective guilt for action and for inaction, we found guilt for inaction more difficult and thus less likely to arise, unless responsibility was put on the in‐group. Collective emotions were also found to be negatively linked to system justification motivation illustrating the palliative function of legitimization processes. Finally, moral outrage predicted the willingness to act upon socio‐economic inequalities both when the system's and in‐group's responsibility was emphasized, whereas collective guilt for action (but not for inaction) predicted support for prosocial actions only when the in‐group's responsibility was engaged. These findings suggest that the specific group‐based emotions in response to poverty depend on whether the system or the in‐group is held responsible and differentially predict individuals' commitment to act.     

Simultaneous and independent acquisition of multisensory and unisensory associations

Although humans are almost constantly exposed to stimuli from multiple sensory modalities during daily life, the processes by which we learn to integrate information from multiple senses to acquire knowledge of multisensory objects are not well understood. Here, we present results of a novel audio-visual statistical learning procedure where participants are passively exposed to a rapid serial presentation of arbitrary audio-visual pairings (comprised of artificial/ synthetic audio and visual stimuli). Following this exposure, participants were tested with a two-interval forced-choice procedure in which their degree of familiarity with the experienced audio-visual pairings was evaluated against novel audio-visual combinations drawn from the same stimulus set. Our results show that subjects acquire knowledge of visual-visual, audio-audio, and audio-visual stimulus associations and that the learning of these types of associations occurs in an independent manner.