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PubMed2001

[Forgetfulness and light cognitive impairment. What can the physician still tolerate?].

Forgetfulness is defined as a subjectively bothersome impairment of the ability to recall facts that are unequivocally known to be stored in the memory. Objectifiable memory deficits may accompany numerous physical and neurological illnesses, but may also be seen in depressive states. Below average-for-age cognitive performances that do not reach the level of dementia are referred to as mild cognitive impairment, which in some cases represents a pre-dementia stage of Alzheimer's disease. Its recognition and differentiation from age-related performance deficits is now possible using simple, but sensitive neuropsychological tests. An important aim of the diagnostic work-up is the recognition of potentially reversible causes. For this purpose, physical examination and laboratory investigations are helpful. Structural and functional imaging procedures can provide information about cerebral causes. Biochemical indicators of neurogenerative processes are currently being developed. Cognitive training measures possibly have only a small and temporary effect. In patients with mild cognitive impairment, nootropic agents apparently have a symptomatic effect. Whether antidementia agents are capable of stopping the progress of mild cognitive impairment to full-blown dementia is currently being investigated in ongoing trials.

Aged↗

PubMed2005

Efficacy of a neuropsychological training programme for patients with multiple sclerosis -- a randomised controlled trial.

BACKGROUND: One aim of this project was to investigate the efficacy of a specific training programme for MS patients which also contained compensation strategies and relaxation exercises relevant to everyday life. The other aim was to check the programme's relevance to everyday life. METHOD: 19 patients, randomised into two groups, took part in the study. The participants in the treated group completed a specific neurological training programme which began immediately after the basic testing (visit 1) and lasted 4 weeks, with a total of 12 sessions. The monitoring test was done immediately after the training programme (at visit 2) and the follow-up was 3 months later (visit 3). Both study groups were fully comparable as regards clinical and socio-demographic data and baseline intelligence level. RESULTS: The results of the cognitive training programme were especially evident in the significant improvements in executive functions (CKV) and spatial-constructional abilities (HAWIE-R). Comparison between the treated and the control group showed no significant difference in the fatigue values (MFIS). However, when the treated group was examined over the three times of measurements, the symptoms of fatigue had diminished significantly. Regarding memory, comparison of the groups showed no changes; within the treated group; however, the verbal (VLT) and nonverbal learning and memory (NVLT) improved significantly. The results for sustained attention improved in both groups over time. It must be assumed that a learning effect had occurred here. The depression values (BDI) also improved in both study groups. The follow-up questionnaire showed that 60% (6) attributed an average to above-average benefit to the training. CONCLUSION: To summarise, it is apparent that MS patients with mild to moderate cognitive impairment are able to profit from even a fairly brief neuropsychological training programme and to integrate much of it into their everyday lives. In view of this, it would seem appropriate to offer such a programme as standard, associated with medication.

Cognition Disorders↗

PubMed1999

Cognitive functioning in schizophrenia: implications for psychiatric rehabilitation.

Research in psychopathology and the cognitive neurosciences suggests new applications in psychiatric rehabilitation. Analysis of performance deficits on laboratory tasks can contribute to treatment planning, individual and family counseling, and staff consultation, much like it does in cases of brain injury and other types of central nervous system neuropathology. Recognition of the nature of cognitive impairments in schizophrenia can inform design of psychosocial techniques such as social and living skills training. Cognitive impairments are increasingly seen as potential targets for pharmacological and psychosocial treatment and rehabilitation. In this article, three key issues for application of cognitive technology in psychiatric rehabilitation of schizophrenia and related disorders are formulated as straightforward, clinically relevant questions: (1) What is the prognostic significance of cognitive impairment in acute psychosis? (2) Can cognitive functioning improve in the chronic, residual course? (3) How does cognitive improvement benefit other aspects of recovery and rehabilitation? These questions are addressed through review of previous findings and new multivariate analyses of cognitive functioning in the acute, post-acute, and chronic residual phases of schizophrenia.

Activities of Daily Living↗

PubMedDate not supplied

Interactive computer-training as a therapeutic tool in Alzheimer's disease.

The current study sought to evaluate a novel kind of interactive computer-based cognitive training (ICT) in Alzheimer's disease (AD). AD patients (N = 9), age- and gender-matched patients with a major depressive episode (N = 9), and healthy control subjects (N = 10) were trained to use an ICT program that relates to activities of daily living (ADL). Digital photographs of a shopping route were implemented in a close-to-reality simulation on a computer touch-screen. The task was to find a predefined shopping route, to buy three items, and to answer correctly 10 multiple-choice questions addressing knowledge related to the virtual tasks. Training performance was rated using the number of mistakes (wrong way), time needed for the tasks, number of correct multiple-choice answers, and of repeat of instruction. Compared to normal controls and depressed patients, AD patients performed significantly worse with regard to all variables. Within a 4-week training period including 12 sessions, however, substantial training gains were observed, including a significant reduction of mistakes. Training effects were sustained until follow-up 3 weeks later. The performance of the depressed patients and the normal controls improved as well, with no difference between the two groups. Self-reported effects revealed that the training was well perceived. Thus, the task performance of AD patients improved substantially and subjects appeared to have liked this approach to ICT. New interactive media, therefore, may yield interesting opportunities for rehabilitation and (psycho)therapeutic interventions.

Activities of Daily Living↗

PubMed1978

Modifiability of fluid intelligence in aging: a short-term longitudinal training approach.

The aim of this study was to examine to what degree fluid intelligence can be modified in aged subjects. The effectiveness of a cognitive training program designed to enhance one primary component of fluid intelligence, Figural Relations, was assessed by comparing the posttraining performances of 15 experimental and 15 control subjects (mean age: 69; age range 59-85) using a transfer paradigm and three posttraining assessments conducted approximately 1 week, 1 mo, and 6 mo following training. The post-training performance of the two groups was compared on three near (fluid intelligence) and one far (crystallized intelligence) transfer measures. A hierarchical pattern was predicted with the magnitude of training effects ordering themselves in descending order from near to far transfer measures. The training program was successful in enhancing performance on the fluid-nearest measure on all three posttests and for the next fluid-near measure on the first posttest. In addition, significant retest effects resulted which, however, were neither task-specific nor hierarchically ordered, but general and therefore indicative of ability-extraneous factors, such as test sophistication. The findings contribute to a position implying that intellectual performance in old age is more modifiable through short-term behavioral intervention than traditionally assumed.

Aged↗

PubMed1986

Flight-skill decay and recurrent training.

This article addresses the problem of flight-skill decay. The complexity of the problem is outlined with regard to identifying the nature and extent of decayed skills. It is suggested that cognitive/procedural skills are more prone than control-oriented skills to decay over periods of disuse. Effective recurrent training methods offer the most promise in forestalling loss of proficiency. Several such methods are described, and the importance of cognitive training is emphasized. Finally, criteria are noted for evaluating the utility of recurrent training media. The theories and practical measures discussed apply to many skills other than those of flying.

Aerospace Medicine↗

PubMed2004

Computerized cognitive remediation improves verbal learning and processing speed in schizophrenia.

Computerized cognitive remediation has resulted in improved executive function in schizophrenia, whereas results with regard to verbal memory were inconsistent. In the present study, 42 inpatients with schizophrenia were randomly assigned to a computerized cognitive remediation group or to a treatment-as-usual (TAU) control group. The remediation group received 15 sessions of computerized cognitive training (Cogpack) over a 3-week period. Neurocognitive functions were assessed at the beginning and end of this period. Compared to the control condition, remediation training resulted in improvements in verbal learning, processing speed and executive function (verbal fluency). The results indicate that cognitive remediation may lead to improvements beyond those of executive function.

Adult↗

PubMed2003

A virtual reality system for the assessment and rehabilitation of the activities of daily living.

Successful rehabilitation with respect to the activities of daily living (ADL) requires accurate and effective assessment and training. A number of studies have emphasized the requirement for rehabilitation methods that are both relevant to the patient's real world environment, and that can also be transferred to other daily living tasks. Virtual reality (VR) has many advantages over other ADL rehabilitation techniques, and offers the potential to develop a human performance testing and training environment. Therefore, in this study, the virtual supermarket was developed and the possibility of using a VR system to assess and train cognitive ability in ADL investigated. This study demonstrates that VR technology offers great promise in the field of ADL training.

Activities of Daily Living↗

PubMed2003

[A psychological early intervention program for the prepsychotic prodromal state. A case report].

We introduce a multimodular, psychological outpatient, intervention program for the treatment of the early prodromal stage which includes individual and group psychotherapy, cognitive training, and family support. The conceptual framework is comprised of the vulnerability and stress-coping concept for schizophrenia. We use cognitive-behavioural strategies which are derived from first-episode and relapse prevention in the treatment of schizophrenia and from the treatment of anxiety disorders and depression. We report the case of a 25-year-old college student in the early prodromal state who was treated by the program. His self-experienced neuropsychological deficits improved, depressive and anxiety symptoms decreased, and positive self-concept was stabilised. During the treatment period of 1 year, social deterioration and prepsychotic and psychotic symptoms were prevented.

Adult↗

PubMed2005

[Cognitive dysfunctions in multiple sclerosis patients].

Cognitive dysfunctions are frequent symptoms of multiple sclerosis (MS) and occur in up to 65% of patients. Especially memory, attention, executive and visual constructive functions are impaired. These problems strongly affect patients' ability to work, social relationships, and quality of life. Symptoms of physical disabilities can arise independently. Cognitive dysfunctions are clear indicators of MS progression, since they represent highly complex functions depending on the integrity of neuronal networks. Once manifested after a relapse, they remain stable. Given a differentiating diagnosis, it is possible to treat these dysfunctions by cognitive training and pharmacologically for example by immunomodulating drugs. However, treatment options are limited at present. This report provides a detailed description of cognitive functions and performance in MS patients, their comorbidities such as fatigue and depression, currently available diagnostic tools, and therapeutic options.

Cognition Disorders↗

PubMedDate not supplied

Functional reintegration of prefrontal neural networks for enhancing recovery after brain injury.

Functions of the prefrontal cortex (PFC) are fundamental to learning and rehabilitation after brain injuries, but the PFC is particularly vulnerable to trauma. We propose approaches to cognitive training that are hypothesized to specifically enhance PFC function. We present a theoretical framework that generates hypotheses regarding the effects of training on the functional integration of processes across distributed networks of brain regions. Specific outcome measurements that may be used to test these hypotheses in clinical trials are proposed. This neural network-level approach may guide cognitive rehabilitation and facilitate development of adjunctive biologic treatments to enhance the effects of training.

Brain Injuries↗

PubMed1991

Cognitive behaviour therapy and social skills training improves personality and cognition in incarcerated offenders.

Cognitive behavioural therapy was given to incarcerated offenders at a maximum security jail. Weekly sessions of 2 hr. were provided over a 5-wk. program for 34 general offenders and 19 sex offenders. The sessions were designed to teach inmates ways of restructuring faulty thinking and improving social skills. Analysis showed improvement in self-esteem and reduction in anxiety and aggressive traits.

Antisocial Personality Disorder↗

PubMed2003

Learning to live independently with expert systems in memory rehabilitation.

Expert systems (ES), which are a branch of artificial intelligence, has been widely used in different applications, including medical consultation and more recently in rehabilitation for assessment and intervention. The development and validation of an expert system for memory rehabilitation (ES-MR) is reported here. Through a web-based platform, ES-MR can provide experts with better decision making in providing intervention for persons with brain injuries, stroke, and dementia. The application and possible commercial production of a simultaneously developed version for "non-expert" users is proposed. This is especially useful for providing remote assistance to persons with permanent memory impairment when they reach a plateau of cognitive training and demand a prosthetic system to enhance memory for day-to-day independence. The potential use of ES-MR as a cognitive aid in conjunction with WAP mobile phones, Bluetooth technology, and Personal Digital Assistants (PDAs) is suggested as an avenue for future study.

Activities of Daily Living↗

PubMedDate not supplied

THINKable, a computerized cognitive remediation. First results.

We have carried out the first study in Italy on the cognitive remediation by a new computerized system developed by IBM and called THINKable. Statistical analyses revealed that on some measures there was a significant improvement in the level of performance of the subjects at the time of the posttreatment assessment compared with the pretreatment assessment. Disorders of memory and higher cognitive functioning improved by structured retraining, independently of attention. Improvement has been matched by changes in the patients real-word functioning. Senile patients also took advantage from cognitive training. They were already followed before as outpatients and had no spontaneous recovery. The role of personal computers in neuropsychological training is discussed.

Aged↗

PubMed1995

Mental acuity of the normal elderly.

The elderly are persons over age 65, now comprising 12% of our population. The normal elderly function normally both in their self care, and also in their social activities of daily living, which we tabulate. The current terms for the normally functioning elderly who show only mild psychological deficits are age-associated memory impairment and age-related cognitive decline, which we define, criticize and tabulate. The psychological deficits of the elderly consist of mild generalized slowing and inaccuracies compared to normal young persons. These deficits are measured by objective psychological tests which mimic real daily living situations--the name-face test, fire alarm test, two delayed recall tests, misplaced objects test, shopping list test, and digit symbol test, which we describe. A longer early formal education is preventive of mental dulling during normal aging. Treating using overlearning, by cognitive training, is significantly beneficial.

Activities of Daily Living↗

PubMed2004

Magical ideation -- defense mechanism or neuropathology? A study with multiple sclerosis patients.

BACKGROUND: The major psychological stress factor in multiple sclerosis (MS) is loss of control of life. In MS patients with impaired cognition, magical ideation might be a characteristic way of thinking. Proof for this may be the high frequency of alternative treatments used by individuals with MS. The study investigates whether the level of magical ideation in MS patients is higher compared to healthy control subjects and, in case of positive confirmation, with which somatic and psychological features it is associated. Moreover, it is aimed to discuss the modalities of magical ideation in general. SAMPLING AND METHODS: A German version of the Magical Ideation Scale was validated with a group of 69 healthy subjects. Ninety-four MS patients were additionally assessed with the Dissociative Experience Scale, the Symptom-Check-List-90-Revised and 5 neuropsychological tests. RESULTS: The Magical Ideation Scale did not reveal a significant difference between MS patients and healthy controls (p = 0.968). Among the MS patients, magical ideation shows a correlation neither with age nor with disability, but a positive correlation (p = 0.007; r = 0.329) with the grade of neuropsychological deficiency. Among the psychological parameters, the highest positive correlation with magical ideation was found in dissociation (p = 0.000; r = 0.520). DISCUSSION: Magical ideation, sharing common features with dissociation, can be viewed as an early defense mechanism when perceiving a loss of control of life, particularly in early stages of MS. In late stages, when developing neuropsychological deficits, it may occur as a substitute for cognitive coping. The data may encourage clinicians to identify magical ideation. In young and previously diagnosed patients, it is important to acknowledge helplessness and support a rather rational way of coping. Training cognitive skills could be crucial to prevent older patients from losing touch with reality. More generally, the occurrence of a significant amount of magical ideation is discussed both as a psychological and a neurophysiologic regression of thinking.

Adaptation, Psychological↗

PubMed2005

Predictors of remediation success on a trained memory task.

Cognitive remediation has led to improvements for some but not all individuals with schizophrenia. The goal of the current investigation was to determine which variables predicted response to cognitive remediation training. In a sample of 58 patients with DSM-IV schizophrenia or schizoaffective disorder, normalization of performance on a trained memory task was selected as the criterion for successful remediation. The contribution of demographic, symptom, treatment process, and cognitive variables in predicting successful remediation was examined using a series of logistic regressions. A final regression evaluated the combined contribution of these variables. From among patients who were impaired before training, 43% reached normal levels of performance. Measures of attention, immediate verbal memory, hostility, and latency between last training and assessment were retained in the final step of the regression, resulting in 83% classification accuracy. Findings suggest that in addition to cognitive factors, motivational and training variables also significantly affect remediation outcomes.

Adult↗

PubMed2006

[Neuropsychological disturbances in bipolar disorder].

OBJECTIVE: Systematic literature review of the controlled studies published in the last 15 years on neuropsychological deficits in Bipolar Disorder. METHOD: Bibliographical research was completed through Medline, Lilacs, PubMed and ISI, specifically for 1990 to 2005 period. Selected studies were organized beginning with the comparison among the selected sample (bipolar versus other pathology versus control healthy). We included only controlled studies with a patient sample larger than 10, and 73 papers were found, being that 53 selected for this systematic review. RESULTS: Patients with Bipolar Disorder present difficulties in several cognitive domains which partially persist even after acute episodes acute episodes. The deficits impaired basically the executive functions. When compared to schizophrenia, bipolar patients present milder deficits in the neuropsychological tests, which may explain differences in terms of disease outcome and specific circuitry abnormalities. There was a positive correlation between cognitive deficits and number of episodes or hospitalizations. The medications used for mood stabilization can produce a negative impact on cognition. CONCLUSIONS: The abnormalities suggest a dysfunction in specific frontostriatal circuits, and may partially explain the difficulties in the psychosocial adaptation of these patients. Future studies should evaluate the effectiveness of neuropsychological rehabilitation programs, which seek through cognitive training to minimize the impact of these deficits in the every day life.

Bipolar Disorder↗