No abstract

The efficacy of cognitive training was assessed in persons with mild cognitive impairment (MCI) and persons with normal cognitive aging. Forty-seven participants were included in this study: 28 with MCI and 17 controls. Twenty-one participants received intervention (20 MCI and 9 controls) and 16 participants (8 MCI and 8 controls) received no intervention (waiting-list group). The intervention focused on teaching episodic memory strategies. Three tasks of episodic memory (list recall, face-name association, text memory) were used as primary outcome measures. Results were analyzed using analyses of variance. The intervention effect (pre- and post-intervention difference) was significant on two of the primary outcome measures (delayed list recall and face-name association). A significant pre-post-effect was also found on measures of subjective memory and well-being. There was no improvement in the performance of groups of individuals with MCI and normal elderly persons who did not receive the intervention. These results suggest that persons with MCI can improve their performance on episodic memory when provided with cognitive training.

Judgement of emotion conveyed by music is determined notably by mode (major-minor) and tempo (fast-slow). This suggestion was examined using the same set of equitone melodies, in two experiments. Melodies were presented to nonmusicians who were required to judge whether the melodies sounded "happy" or "sad" on a 10-point scale. In order to assess the specific and relative contributions of mode and tempo to these emotional judgements, the melodies were manipulated so that the only verying characteristic was either the mode or the tempo in two "isolated" conditions. In two further conditions, mode and tempo manipulations were combined so that mode and tempo either converged towards the same emotion (Convergent condition) or suggested opposite emotions (Divergent condition). The results confirm that both mode and tempo determine the "happy-sad" judgements in isolation, with the tempo being more salient, even when tempo salience was adjusted. The findings further support the view that, in music, structural features that are emotionally meaningful are easy to isolate, and that music is an effective and reliable medium to study emotions.

Use of discourse markers by 17 speakers of Anglophone Montreal French (AMF) showed^reM,YMiatipjijruridividual repertoires and frequency of use. Only five subjects manifested rates of usag^corrip^rableTo thos^ToTliaFive speakers or to their own LI usage in English. In decreasing order of frequency, the speakers used tu sais 'y'know'; la 'there' (the most frequent among LI Montreal French speakers); bon 'good', alors 'so', comme 'like', and bien 'well'; and the local discourse conjunction fait que 'so'. The subjects occasionally made use of the English markers you know, so, like, and well. Quebecois French markers with no English equivalent were used by the speakers who had been exposed to French in their early childhood environment. The one marker that showed influence from English was comme, apparently calqued on English like. Overall, frequent use of discourse markers correlated only with the speakers' knowledge of French grammar-evidence that a higher frequency of discourse marker use is the hallmark of the fluent speaker. As a feature that is not explicitly taught in school, mastery of the appropriate use of discourse markers is thus particularly revealing of the speakers' integration into the local speech community.

We investigated the production of sung and spoken utterances in a non-fluent patient, C.C., who had a severe expressive aphasia following a right-hemisphere stroke, but whose language comprehension and memory were relatively preserved. In experiment 1, C.C. repeated familiar song excerpts under four different conditions: spoken lyrics, sung lyrics on original melody, lyrics sung on new but familiar melody and melody sung to a neutral syllable "la". In experiment 2, C.C. repeated novel song excerpts under three different conditions: spoken lyrics, sung lyrics and sung-to-la melody. The mean number of words produced under the spoken and sung conditions did not differ significantly in either experiment. The mean number of notes produced was not different either in the sung-to-la and sung conditions, but was higher than the words produced, hence showing a dissociation between C.C.'s musical and verbal productions. Therefore, our findings do not support the claim that singing helps word production in non-fluent aphasic patients. Rather, they are consistent with the idea that verbal production, be it sung or spoken, result from the operation of same mechanisms.

Persons with dementia of the Alzheimer type (DAT) are impaired in recognizing emotions from face and voice. Yet clinical practitioners use these mediums to communicate with DAT patients. Music is also used in clinical practice, but little is known about emotional processing from music in DAT. This study aims to assess emotional recognition in mild DAT. Seven patients with DAT and 16 healthy elderly adults were given three tasks of emotional recognition for face, prosody, and music. DAT participants were only impaired in the emotional recognition from the face. These preliminary results suggest that dynamic auditory emotions are preserved in DAT.

Alzheimer's disease is a degenerative disease characterised by a progressive loss of cognitive functions and impairment of activities of daily living severe enough to interfere with normal functioning. To help persons with this disease perform a variety of activities, our research team developed AP@LZ, an electronic organiser specifically designed for them. Two participants with Alzheimer's disease learned how to use AP@LZ in their daily lives by following a structured learning method. After the learning phase, the participants were able to use AP@LZ efficiently and facilitate their day-to-day activities for several months, despite the steady progression of the disease. These results suggest that persons with Alzheimer's disease can learn to use new technologies to compensate for their everyday memory problems, which opens up new rehabilitation possibilities in dementia care.

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