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This project will explore the feasibility and efficacy of the fully immersive virtual reality leisure cognitive training tool developed by Chang Gung University in patients with mild to moderate dementia. The feasibility study will assess the feasibility and emotion-related indicators of 10 patients before and after a single training session. The efficacy study is planned to adopt a crossover randomized controlled trial, recruiting 30 patients for 15 sessions, each lasting 65 minutes, conducted three times a week. The assessment will include tests on the primary variable of cognitive function and secondary variables such as activities of daily living, quality of life, emotion, clinical symptoms, etc.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| VR training therapy | Experimental | Guide the patient through a 5-minute warm-up, which mainly involves explaining, familiarizing with, or reviewing VR operations. After the warm-up, proceed with the first part of the VR gardening training for 10 minutes, followed by 5 minutes of eye and stretching exercises. Then, continue with the second part of the VR gardening training for another 10 minutes, followed by 5 minutes of eye massage and stretching exercises. This sequence is repeated for a total of four cycles. |
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| Waitlist control session | Other | During the waitlist period, patients will not receive any training but will receive regular phone calls to ensure equal attention. |
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| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| VR-WLC | Device | First, conduct the Virtual Reality (VR) training activity. After the evaluation is completed, proceed to the Waitlist Control (WLC) session, approximately 5 to 10 weeks later. |
| Measure | Description | Time Frame |
|---|---|---|
| Change scores of Montreal Cognitive Assessment | The Montreal Cognitive Assessment (MoCA) will be used to assess general cognitive functions. It examines several cognitive domains with a total score of 30 and higher values indicate better cognitive functions. The MoCA has been shown to be a valid and promising tool to evaluate the global cognitive function in patients with stroke. Minimum: 0 (worst performance) Maximum: 30 (best performance) The psychometric properties of MoCA are good to excellent for patients with cerebrovascular diseases. | Before the intervention arms within a week, within a week after the waiting period ends, and within a week after the last treatment . |
| Change scores of Stroop test | The participants will be tested under congruent and incongruent conditions. In the congruent condition, the participant will name the color ink of a word which is consistent with the written color name; whereas in the incongruent condition the participant will name the color ink differs from the written color name. The time to complete the task will be calculated for each condition.Minimum: 0 , Maximum: but typically no upper limit. Higher scores indicate worse performance (greater cognitive interference and slower response time). | Before the intervention arms within a week, within a week after the waiting period ends, and within a week after the last treatment . |
| Change scores of Color trials test | For Part 1, the respondent uses a pencil to rapidly connect circles numbered 1-25 in sequence. For Part 2, the respondent rapidly connects numbered circles in sequence, but alternates between pink and yellow. The length of time to complete each trial is recorded, along with qualitative features of performance indicative of brain dysfunction, such as near-misses, prompts, number sequence errors, and color sequence errors.Minimum: Greater than 1 second (best performance) Maximum: No upper limit .Higher scores indicate worse performance (longer completion time and greater cognitive impairment). | Before the intervention arms within a week, within a week after the waiting period ends, and within a week after the last treatment . |
| Measure | Description | Time Frame |
|---|---|---|
| Change scores of Barthel Index | It is a commonly used assessment scale for evaluating activities of daily living (ADL), primarily designed to measure the effectiveness of treatment and the degree of functional decline in patients. The Barthel Index consists of 10 assessment items, each assigned a corresponding score (0, 5, or 10 points), with a maximum total score of 100 points. A lower total score indicates greater dependence on others and a reduced ability to perreduced ability to perform daily self-care activities. |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Role | Phone | Extension | |
|---|---|---|---|---|
| Ching-yi Wu, ScD | Contact | #886-3-2118800 | 5761 | cywu@mail.cgu.edu.tw |
| Name | Affiliation | Role |
|---|---|---|
| Ching-yi Wu, ScD | Chang Gung Memorial Hospital | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Tucheng Hospital, New Taipei City, commissioned and operated by Chang Gung Medical Foundation. | Recruiting | New Taipei City | Taiwan |
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| CTL-VR | Device | First, conduct the Control (CTL) session for approximately 5 to 10 weeks. After the evaluation is completed, proceed to the Virtual Reality (VR) training activity. |
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| Change scores of Frontal Assessment Battery | This study utilizes this scale to assess various aspects of frontal lobe function, including executive function, behavioral regulation, and planning. The test consists of six subtests: Similarities, Verbal Fluency, Motor Sequencing, Conflicting Instructions, Go-No-Go, and Comprehending Behavior. Each subtest is scored from 0 to 3, with a total possible score of 18 points. The Taiwanese version of the frontal assessment scale has demonstrated good reliability and validity, showing consistency with tconsistency with the original version and strong construct validity. Minimum: 0 (worst performance) Maximum: 18 (best performance) Higher scores indicate better frontal lobe function, while lower scores suggest greater impairment. | Before the intervention arms within a week, within a week after the waiting period ends, and within a week after the last treatment . |
| Before the intervention arms within a week, within a week after the waiting period ends, and within a week after the last treatment . |
| Change scores of Amsterdam Instrumental Activity of Daily Living,A-IADL | The Amsterdam Instrumental Activity of Daily Living (A-IADL) is an adaptive and computerized questionnaire designed to assess impairments in instrumental activities of daily living (IADL) in (early) dementia. The questionnaire is completed by a caregiver, such as a relative or friend. Each item has a 5-point scale response option (scored 0-4). The scoring of the Amsterdam Instrumental Activity of Daily Living is calculated using item response theory .Lower scores indicating poorer performance. Higher scores indicate better performance in instrumental activities of daily living, while lower scores suggest greater impairment. | Before the intervention arms within a week, within a week after the waiting period ends, and within a week after the last treatment . |
| Change scores of The Chinese Dementia-Quality of Life instrument, DQoL | This study utilizes the Chinese version of the Quality of Life in Dementia (QOL-D) assessment tool to evaluate the physical and mental health of individuals with dementia and to understand the impact of VR cognitive training on their well-being. The questionnaire comprises five dimensions: positive emotions, negative emotions, sense of belonging, self-esteem, and aesthetics, with a total of 29 items. Each item is rated on a scale from 0 to 5, indicating varying levels of quality. This questionnaire is applicable to individuals with mild to moderate dementia, and its Chinese version has been validated among dementia patients in Taiwan. Minimum: 0 (worst quality of life) Maximum: 145 (best quality of life, calculated as 29 items × maximum score of 5 per item). Higher scores indicate better quality of life, while lower scores suggest poorer well-being. | Before the intervention arms within a week, within a week after the waiting period ends, and within a week after the last treatment . |
| Change scores of The Cornell Scale for Depression in Dementia Chinese version | This study utilizes the Chinese version of the Cornell Scale for Depression in Dementia (CSDD) to assess depressive symptoms in individuals with dementia before and after the intervention, aiming to understand the impact of the intervention on their quality of life. The scale covers five dimensions: mood-related signs, behavioral disturbances, physical signs, cyclic functions, and ideational disturbances, with a total of 19 items. Each item is scored based on severity, ranging from 0 (no symptoms) to 2 (severe symptoms). A total score above 10 suggests a possible diagnosis of depression, while a score below 6 indicates that depression can be ruled out. The Chinese version has established reliability and validity, demonstrating good psychometric properties. Minimum: 0 (no depressive symptoms) Maximum: 38 (severe depressive symptoms, calculated as 19 items × maximum score of 2 per item) Higher scores indicate more severe depressive symptoms, while lower scores suggest | Before the intervention arms within a week, within a week after the waiting period ends, and within a week after the last treatment . |
| Change scores of Clinical Dementia Rating, CDR | This study utilizes the Clinical Dementia Rating (CDR) scale to assess the severity of cognitive decline in individuals with dementia. The evaluation is conducted by professional physicians and clinical psychologists to comprehensively assess the cognitive function of participants. The assessment includes six functional domains: memory, orientation, judgment and problem-solving, community affairs, home and hobbies, and personal care. Based on the scoring criteria of the scale, a final score is derived to represent the current severity of dementia. This score serves as an important reference for tracking the progression of the disease over time. The Chinese version of the CDR scale has been validated and has demonstrated good reliability and validity Minimum: 0 (normal cognitive function) Maximum: 3 (severe dementia) Higher scores indicate more severe cognitive impairment. | Before the intervention arms within a week, within a week after the waiting period ends, and within a week after the last treatment . |
| Change scores of Behavioral and Psychological Symptoms of Dementia, BPSD | We use behavioral and psychological symptoms of dementia (BPSD) to assess the behavioral and psychological aspects of individuals with dementia. Dementia is not only characterized by cognitive impairment but is also frequently accompanied by non-cognitive symptoms such as depression, anxiety, delusions, hallucinations, behavioral disturbances, and other psychiatric symptoms. According to a past study conducted in Taiwan, the prevalence of non-cognitive symptoms among individuals with dementia was as high as 30% (Fuh & Liu, 2006). BPSD is also the primary source of burden for family caregivers of dementia patients. Additionally, compared to improvements in cognitive function, BPSD is often more noticeably improved in clinical settings. Minimum: 0 Maximum: Depends on the number of items and scoring system of the specific BPSD scale used Higher scores indicate more severe behavioral and psychological symptoms in individuals with dementia, while lower scores suggest fewer or no symptoms | Before the intervention arms within a week, within a week after the waiting period ends, and within a week after the last treatment . |