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1.
Sensors (Basel) ; 18(7)2018 Jul 19.
Article in English | MEDLINE | ID: mdl-30029502

ABSTRACT

We present the architecture and usability evaluation of virtual reality system-"Positive Bike"-designed for improving cognitive and motor conditions in frail elderly patients. The system consists of a cycle-ergometer integrated in an immersive virtual reality system (CAVE) which allows combining motor and cognitive exercises according to a "dual-task" paradigm. We tested the usability and user's experience of the prototype in a pilot evaluation study that involved five elderly patients. The prototype was tested in one-session training to understand the limitations and areas for improvement of our system. The evaluation consisted in (i) usability assessment using the system usability scale; (ii) evaluation of user's engagement using the flow state scale; and (iii) expert evaluation involving interviews with domain experts. Results showed a good usability, both for system usability scale and the semi-structured interview. The level of flow (i.e., enjoyment with the task at hand) measured using the short flow state scale, was also high. Analysis of semi-structured interview carried out with domain experts provided further indications to improve the system. Overall, these findings show that, despite some limitations, the system is usable and provides an enjoyable user's experience.


Subject(s)
Bicycling/physiology , Cognition , Exercise Therapy , User-Computer Interface , Virtual Reality , Aged , Aged, 80 and over , Bicycling/psychology , Exercise Therapy/psychology , Female , Humans , Male , Middle Aged , Pilot Projects
2.
Trials ; 15: 408, 2014 Oct 25.
Article in English | MEDLINE | ID: mdl-25344703

ABSTRACT

BACKGROUND: Group reminiscence therapy is a brief and structured intervention in which participants share personal past events with peers. This approach has been shown to be promising for improving wellbeing and reducing depressive symptoms among institutionalized older adults. However, despite the considerable interest in reminiscence group therapy, controlled studies to determine its specific benefits as compared to generic social interactions with peers (group conversations about everyday subjects) are still lacking. METHODS/DESIGN: We have designed a randomized controlled trial aimed at comparing the effects of group reminiscence therapy with those of group recreational activity on the psychological wellbeing of an institutionalized sample of older adults. The study includes two groups of 20 hospitalized elderly participants: the experimental group and the control group. Participants included in the experimental group will receive six sessions of group reminiscence therapy, while the control group will participate in a recreational group discussion. A repeated-measures design will be used post-intervention and three months post-intervention to evaluate changes in self-reported outcome measures of depressive symptoms, self-esteem, life satisfaction, and quality of life from baseline. DISCUSSION: The protocol of a study aimed at examining the specific effects of group reminiscence therapy on psychological wellbeing, depression, and quality of life among institutionalized elderly people is described. It is expected that the outcomes of this trial will contribute to our knowledge about the process of group reminiscence, evaluate its effectiveness in improving psychological wellbeing of institutionalized individuals, and identify the best conditions for optimizing this approach. TRIAL REGISTRATION: This trial was registered with ClinicalTrials.gov (registration number: NCT02077153) on 31 January 2014.


Subject(s)
Aging/psychology , Inpatients/psychology , Institutionalization , Memory , Psychotherapy, Group/methods , Quality of Life , Research Design , Age Factors , Clinical Protocols , Depression/diagnosis , Depression/etiology , Depression/psychology , Humans , Italy , Peer Group , Personal Satisfaction , Self Concept , Surveys and Questionnaires , Time Factors , Treatment Outcome
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