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PubMed1991

Cognitive training in ADHD children: less to it than meets the eye.

This article reviews cognitive training studies that have been carried out with children with attention deficit-hyperactivity disorder (ADHD) during the past decade. The efficacy of cognitive training as a single intervention and as an adjunct to stimulant treatment is discussed. The impact of training on the cognitive, academic, and behavioral functioning of youngsters with ADHD is summarized. Although this treatment modality is inherently appealing, there is little empirical support for its clinical utility with children with hyperactivity.

Attention Deficit Disorder with Hyperactivity↗

PubMed2004

Effects of cholinergic drugs and cognitive training on dementia.

A study was performed on patients with Alzheimer's disease (AD) in order to evaluate the efficacy of a combined treatment (donepezil plus cognitive training) in both cognitive processes and affective states. Eighty-six subjects, 25 men and 61 women, with an average age of 75.58 years, were studied. Almost all the subjects had a basic educational level. Donezepil was administered at a dose of 10 mg daily along with cognitive treatment involving images of everyday life and reminiscent music; the sessions took place on Monday to Friday and lasted three quarters of an hour. The study lasted 12 months. Subjects underwent test-retest with the following tests: Mini-Mental State Examination (MMSE), the cognitive subscale of the Alzheimer's Disease Assessment Scale (ADAS-cog); the Geriatric Depression Scale (GDS) and the overall deterioration scale (FAST). The results showed that subjects receiving the combined treatment had a better response than those who did not receive any cognitive training. These subjects' MMSE score decreased by 3.24 on average. The affective symptomatology of those receiving only drug treatment improved whereas the cognitive processes did not.

Aged↗

PubMed2004

[Performance improvement and compliance of schizophrenic patients participating in the computerbased cognitive training with X-Cog].

This study aimed to examine performance improvement and compliance of schizophrenic patients participating in computerbased cognitive training with X-Cog(R). 20 patients (5 women, 15 men) with the diagnosis of schizophrenia (ICD10 F20.X) were trained ten weeks (twice a week, duration 1h) using the software X-Cog(R) in different wards of the Bezirksklinikum Regensburg. After the evaluation of the feedback given by the computer it could be demonstrated that the patients showed marked practice improvements. Moreover it appeared very less leisure hours what could be shown by an evaluation of the regularity of participation. This study gives first indications that X-Cog(R) could be a useful way to increase individual performance, motivation and especially the continuity of participation in a therapy of schizophrenic patients training using a computerbased cognitive training software.

Adult↗

PubMed2006

Bilateral activation of the prefrontal cortex after strategic semantic cognitive training.

The prefrontal cortex (PFC) has been implicated in the ability to apply semantic organizational strategies during verbal encoding and episodic learning. However, there has been no direct evidence demonstrating which specific areas in the PFC are engaged after cognitive training using semantic organizational strategies in healthy adult human subjects. In this study, we investigated the effects of semantic strategic training on brain activity and changes in behavioral performance, after cognitive training, using functional MRI (fMRI). There was a significant activation in bilateral dorsolateral prefrontal (DLPF) and orbitofrontal (OFC) areas after cognitive training. These results demonstrate the engagement of bilateral DLPF and OFC cortex during strategic memory processes, particularly when mobilization and effort of effective use of strategies are required. The functional adaptations observed here may also shed light on some of the processes underlying recovery with cognitive rehabilitation in patient populations with brain injury.

Adult↗

PubMed2004

Cognitive training in home environment.

PRIMARY OBJECTIVE: To examine the efficacy of cognitive rehabilitation in the patient's home or vocational environment. RESEARCH DESIGN: Pre-post-follow-up design. METHODS AND PROCEDURES: Ten outpatients with acquired attention and memory problems received cognitive training three times weekly, for 3 weeks. They received individual attention training with Attention Process Training, training for generalization for everyday activities and education in compensatory strategies for self-selected cognitive problems. Treatment effects were evaluated with neuropsychological and occupational therapy instruments before and after the training and after 3 months on impairment, activity and participation levels. MAIN OUTCOMES AND RESULTS: The results indicated a positive effect on some measures on impairment level, but no differences on activity or participation levels at follow-up. CONCLUSIONS: The study indicates that home-based cognitive training improves some attentional and memory functions and facilitates learning of strategies. Future controlled studies are needed to confirm the results and analyse the efficacy of different aspects of home-based training.

Activities of Daily Living↗

PubMed1999

Cognitive deficits and cognitive training in schizophrenic patients: a review.

OBJECTIVE: The aim of this paper is to review the current status of knowledge of cognitive deficits and remediation in patients with schizophrenia. METHOD: Relevant reports were identified by a literature survey. In addition, some outstanding researchers in these areas were asked to add to the identified list relevant literature that was not included. RESULTS: Our review focuses on the cognitive deficits observed in the areas of attention, memory and executive functions. We attempt to classify dysfunctions as vulnerability- or symptom-linked factors, and we discuss the methodological question of a general performance deficit vs. a differential deficit. Furthermore, we briefly delineate how antipsychotics affect cognitive functions. Finally, controlled studies of cognitive training are discussed in more detail. CONCLUSION: The most outstanding cognitive dysfunctions in patients with schizophrenia can be related to the areas of attention, memory and executive functions. Interest in cognitive remediation has to some extent been rekindled in the 1990s. However, few studies on the effects of cognitive training programs have been conducted.

Antipsychotic Agents↗

PubMed1987

Effects of cognitive training on primary mental ability structure.

We report results of the first empirical test, as far as we know, of the assumption of structural invariance of latent constructs from pretest to posttest in cognitive training research on the elderly. In all, 401 participants in the Seattle Longitudinal Study, over 62 years old, received a 5-hr test battery at pre- and posttest that included 16 ability tests, marking the five primary abilities of Spatial Orientation, Inductive Reasoning, Numerical Ability, Verbal Ability, and Perceptual Speed. A total of 229 of our subjects received 5 hr of individual training on either Spatial Orientation or Inductive Reasoning. Restricted factor analysis with the LISREL algorithm tested the hypothesis of measurement equivalence across test occasions, separately for the control subjects and for each of the training groups. When ability-specific cognitive training intervenes, no structural change is observed for abilities not subject to intervention. However, slight shifts occurred in the optimal regression weights for the different markers for the training target abilities.

Aged↗

PubMed2005

Cognitive training and supported employment for persons with severe mental illness: one-year results from a randomized controlled trial.

This study examined the effectiveness of cognitive training (the Thinking Skills for Work Program) for improving competitive employment outcomes in persons with severe mental illness who have a history of job failure. Forty-four clients receiving services at 2 inner-city community mental health agencies were randomly assigned (within each site) to receive either cognitive training and supported employment (CT + SE) or supported employment only (SE Only). Retention in the CT + SE program was high (91%). Baseline to 3-month assessments showed significantly greater improvements in neurocognitive functioning, depression, and autistic preoccupation on the Positive and Negative Syndrome Scale for the CT + SE set compared to the SE Only group. Employment outcomes over 1 year showed that clients who received CT + SE were significantly more likely to work (69.6 versus 4.8%, respectively), worked more jobs, worked more hours, and earned more wages than clients with SE Only. The findings provide support for the feasibility of implementing the Thinking Skills for Work Program in the context of supported employment and its beneficial effects on cognitive functioning and competitive employment in persons with severe mental illness.

Adult↗

PubMed1996

Computer-based cognitive training in Alzheimer's disease patients.

Memory training programs for cognitively impaired patients have often been criticized for their lack of relevance to everyday activities. We therefore report our experience with four patients suffering from probable Alzheimer's disease, who were trained with a new computer-based program recently developed by our research group. An everyday task of personal relevance to the patient is simulated and trained on a PC-touch-screen using personal photographs of the patient's surroundings and biography. According to the degree of cognitive impairment, training has three major aspects 1) social competence in patients with beginning deficiencies, 2) orientation in patients with moderate disease, and 3) emotional aspects in patients with advanced deficiencies. The patient's training performance improved substantially. While psychopathometric tests showed no significant effects with regard to general cognitive performance, levels of motivation were high and there was a positive acceptance of the training and signs of emotional activation.

Aged↗

PubMed2005

Beneficial effect from a cognitive training programme on children with acquired brain injuries demonstrated in a controlled study.

PRIMARY OBJECTIVE: To test the effectiveness of a cognitive training programme in children and adolescents with attention and memory deficits after acquired brain injury (ABI). RESEARCH DESIGN: Randomized controlled study. PARTICIPANTS: Thirty-eight children with ABI, 9-16 years of age. METHODS AND PROCEDURES: The treatment group trained with the cognitive programme for 30 minutes per day interactively with a teacher or parent for a period of 17 weeks. Children in the control group had a freely chosen interactive activity 30 minutes daily for 17 weeks. Pre- and post-training assessments were made using a neuropsychological test battery. MAIN OUTCOME AND RESULTS: Significant improvements in the majority of neuropsychological tests of sustained and selective attention as well as in memory performance were shown in the treatment group as compared to controls. CONCLUSIONS: The immediate effect of the training programme improved complex attention and memory functions, indicating that this method may be a valuable treatment option for improving cognitive efficiency in children after ABI. On the basis of these results, the next step will be to evaluate long-term effects and further ecological validity.

Adolescent↗

PubMed1978

Cognitive training for EMR children: choosing the best alternative.

Twenty-eight EMR children participated in an 8-week training program on choosing the best alternative. The training was presented within the context of small-group discussions of familiar social problems and participation in table games. A control group (n = 28) engaged in similar activities but without specific cognitive training. The experimental group's posttest scores were far superior (p is less than .001) to those of the control group, an finding that suggests a major experiential component in the deficit in problem-solving skills typical of EMR children and provides strong support for the efficacy of early intensive cognitive training.

Child↗

PubMed2002

Comparing two programs of cognitive training in Alzheimer's disease: a pilot study.

OBJECTIVES: To evaluate the efficacy of two different procedures of individual cognitive training in mild to moderate Alzheimer's Disease (AD). MATERIAL AND METHODS: Twenty-two AD patients entered the study. We compared stimulation of procedural memory (group 1) with training of partially spared cognitive functions (group 2). Assessment included: neuropsychological tests, scales, and the Functional Living Skills Assessment (FLSA), a standardized battery built to directly evaluate patients' performance in everyday life. RESULTS: We observed a significant improvement for both groups after training in FLSA total score (P=0.005) and subscales. For group 1, we also found a slightly improved performance in two tests: Attentional Matrices (P=0.041), and Verbal Fluency for Letters (P=0.059). After 3 months, patients' results showed a tendency to regress to the pre-training level. CONCLUSION: Both AD groups showed a substantial improvement after training in a direct performance measure of everyday functioning. However, results at neuropsychological tests suggest that training activities of daily living (supported by procedural memory) may be more effective than stimulating "residual" cognitive functions.

Aged↗

PubMed2026

Changes in hippocampal functional connectivity and volume associated with cognitive improvement and decline in amnestic mild cognitive impairment following computerized cognitive training.

BACKGROUND: The hippocampus influences the outcomes of amnestic mild cognitive impairment (aMCI) and undergoes different changes during the cognitive decline or recovery of aMCI compared to elderly individuals with normal cognition, which may reveal disease-dependent neurodegeneration or plasticity. We first aimed to investigate the hippocampal changes associated with cognitive changes in aMCI using a combined case-control study design. METHODS: In total, 50 aMCI individuals and 50 healthy controls (HCs) were recruited in Shenyang, China, and separately randomized into training and control groups: aMCI training group, aMCI no training group, HC training group, and HC no training group. The aMCI and HC training groups received computerized cognitive training (CCT) thrice weekly for 12 weeks. Cognitive assessments and MRI data were collected at baseline and follow-up. RESULTS: The primary outcome was significant CCT×diagnosis interaction effect on the change in cognitive performance as measured by clock drawing test (CDT) scores (F = 4.322, P = 0.041); this interaction was driven by CCT specifically in aMCI (F = 4.465, P = 0.038). Significant CCT×diagnosis interaction effects of right-hippocampal FC changes were observed in the bilateral precuneus/cuneus (Pvoxel<0.05) driven by CCT in aMCI (F = 5.429, P = 0.023), and in the left superior temporal gyrus/middle temporal gyrus (STG/MTG, Pvoxel<0.05), driven by CCT of only in HCs (F = 6.587, P = 0.013). A significant interaction effect of left-hippocampal FC changes were observed in the right triangular part of the inferior frontal gyrus (IFGtriang, Pvoxel<0.05), driven by CCT in aMCI and HCs (F = 6.550, P = 0.013; F = 7.097, P = 0.010). No significant interaction effect on the change in hippocampal GMV was noted (P > 0.05). CONCLUSION: CCT can improve the visuospatial ability of aMCI, which is reflected by the CDT scores. CCT can alter hippocampal FC in the bilateral precuneus/cuneus, the right IFGtriang, and the left STG/MTG. The hippocampal GMV is difficult to change in both HCs and aMCI during the cognitive decline. REGISTRATION NUMBER: ChiCTR1900026849. DATE OF REGISTRATION: 24 October 2019 NAME OF TRIAL REGISTRY: Chinese Clinical Trial Registry (ChiCTR).

Humans↗

PubMed1988

Cognitive training adjunctive to pharmacotherapy in schizophrenia and depression: a pilot study on the lateralization hypothesis of schizophrenia and depression and on cognitive therapy as adjunctive to pharmacotherapy.

Although controversial, evidence from various experimental sources suggests a dysfunction/overactivity of the hemisphere dominant for speech - usually the left - in schizophrenia and of the other one in depression. Based on these lateralization hypotheses and on the dependency of regional cerebral blood flow on regional neuronal activity, the concept of pharmacopsychotherapy was proposed. The present double-blind pilot study tried to test this concept by cognitive training procedures tentatively relevant to the mechanisms of information processing of the left (analytical) and right (holistic) hemisphere, respectively. It was hypothesized that the outcome of patients putatively trained in mechanisms of the right hemisphere might be superior to that of those trained left in depression and the converse in schizophrenia. This hypothesis could not be verified. Apparent differences in the outcome of depressives were attributable to differences of independent variables (age, seriousness of illness).

Adolescent↗

PubMed2006

The effects of the ACTIVE cognitive training trial on clinically relevant declines in health-related quality of life.

OBJECTIVES: The Advanced Cognitive Training for Independent and Vital Elderly (ACTIVE) study used three cognitive interventions (memory, reasoning, or speed of processing) in order to improve cognitive abilities. In this article, we evaluate ACTIVE's ability to avoid extensive decline in health-related quality of life (HRQoL). METHODS: ACTIVE enrolled 2,802 adults aged 65 or older and randomized them into one of three cognitive interventions or a no-contact control group. Researchers obtained data on 2,147 participants at the 24-month follow-up. We measured HRQoL by using the eight Short Form-36 scales, and we defined clinically relevant decline on each as a drop of 0.5 standard deviations from baseline. We defined extensive HRQoL decline as clinically relevant drops on four or more Short Form-36 scales, and we assessed this by using multiple logistic regression methods that adjusted for sociodemographic, cognitive, and health status covariates, and incorporated propensity score derived weights in order to adjust for potential attrition bias. RESULTS: We found that 25.0% of ACTIVE participants had extensive HRQoL decline. Participants in the speed-of-processing intervention arm were less likely to have extensive HRQoL decline (adjusted odds ratio = 0.643; p =.004) compared with controls, and participants in the memory and reasoning arms were equivalent to controls (adjusted odds ratios = 1.149 and 1.014, respectively; ps =.322 and.919, respectively). DISCUSSION: Although all three intervention arms improved cognitive ability, only the speed-of-processing arm protected against extensive clinically relevant decline in HRQoL.

Aged↗

PubMed2006

Cognitive function in normal-weight, overweight, and obese older adults: an analysis of the Advanced Cognitive Training for Independent and Vital Elderly cohort.

OBJECTIVES: To assess how elevated body mass index (BMI) affects cognitive function in elderly people. DESIGN: Cross-sectional study. SETTING: Data for this cross-sectional study were taken from a multicenter randomized controlled trial, the Advanced Cognitive Training for Independent and Vital Elderly trial. PARTICIPANTS: The analytic sample included 2,684 normal-weight, overweight, or obese subjects aged 65 to 94. MEASUREMENTS: Evaluation of cognitive abilities was performed in several domains: global cognition, memory, reasoning, and speed of processing. Cross-sectional association between body weight status and cognitive functions was analyzed using multiple linear regression. RESULTS: Overweight subjects had better performance on a reasoning task (beta=0.23, standard error (SE)=0.11, P=.04) and the Useful Field of View (UFOV) measure (beta=-39.46, SE=12.95, P=.002), a test of visuospatial speed of processing, after controlling for age, sex, race, years of education, intervention group, study site, and cardiovascular risk factors. Subjects with class I (BMI 30.0-34.9 kg/m2) and class II (BMI>35.0 kg/m2) obesity had better UFOV measure scores (beta=-38.98, SE=14.77, P=.008; beta=-35.75, SE=17.65, and P=.04, respectively) in the multivariate model than normal-weight subjects. The relationships between BMI and individual cognitive domains were nonlinear. CONCLUSION: Overweight participants had better cognitive performance in terms of reasoning and visuospatial speed of processing than normal-weight participants. Obesity was associated with better performance in visuospatial speed of processing than normal weight. The relationship between BMI and cognitive function should be studied prospectively.

Aged↗

PubMed1988

[Introduction of a new form of therapy (cognitive training) to nursing personnel].

We report about a project where there is thought for some months a new kind of therapy called Cognitive Training for schizophrenic patients to male and female nurses of a big psychiatric hospital. First we explain this kind of therapy, then we tell about the organization, the experiences and the difficulties which existed when we made the training program and when the nurses tried to practice this knowledge in the daily clinical life.

Cognition Disorders↗

PubMed2005

Effect of blood pressure and diabetes mellitus on cognitive and physical functions in older adults: a longitudinal analysis of the advanced cognitive training for independent and vital elderly cohort.

OBJECTIVES: To evaluate the effect of blood pressure (BP) and diabetes mellitus (DM) on cognitive and physical performance in older, independent-living adults. DESIGN: Longitudinal study with secondary data analysis from the Advanced Cognitive Training for Independent and Vital Elderly randomized intervention trial. SETTING: Six field sites in the United States. PARTICIPANTS: Two thousand eight hundred two independent-living subjects aged 65 to 94. MEASUREMENTS: Cognitive functions in different domains and physical functions measured using activities of daily living, instrumental activities of daily living (IADLs), and the physical function subscale from the Medical Outcomes Study Short Form-36 (SF-36) Health Survey. RESULTS: After the first annual examination, hypertension was associated with a faster decline in performance on logical reasoning tasks (ability to solve problems following a serial pattern), whereas DM was associated with accelerated decline on the Digit Symbol Substitution Test (speed of processing). The reasoning and Digit Symbol Substitution test are executive function tasks thought to be related to frontal-lobe function. Hypertension and DM were associated with a significantly faster pace of decline on the SF-36 physical function component score. Individuals with DM had a faster pace of decline in IADL functioning than nondiabetic subjects. There was no evidence for an interaction between BP and DM on cognitive or physical function decline. CONCLUSION: Hypertension and DM are associated with accelerated decline in executive measures and physical function in independent-living elderly subjects. Further research is needed to determine whether cardiovascular risk modification ameliorates cognitive and functional decline in elderly people.

Activities of Daily Living↗