ABSTRACT
Using the formulae for prediction of functional status at 4, 8 and 12 weeks after admission in the stroke patient (simplified version of Recovery Evaluating System-3; RES-3) and demographic data at the admission of 128 stroke patients, the estimated scores of four measures, Motor Age Score (MOA), Manual Function Score (MFS), Barthel Index (BI) and Mini-Mental State (MMS), were obtained. Fitness of the formulae was tested in terms of the agreement between the estimated and the measured scores. The results indicated that the differences between the measured and the estimated scores were statistically not significant except BI. The measured scores of BI were 3 to 5 points high compared to the estimated ones. When the confidence limits of the differences were examined at a confidence coefficient of 95%, they were within 5% of the full score for MOA, MFS and MMS, and were within 10% for BI. Accordingly, by setting the allowable limit to 5% of the full score around the means, the fitness of prediction would be more than a probability of 95%. The formulae of simplified version of RES-3 were practically useful.
Subject(s)
Cerebrovascular Disorders/physiopathology , Adult , Aged , Aged, 80 and over , Aging/physiology , Cerebrovascular Disorders/rehabilitation , Female , Humans , Intelligence Tests , Male , Middle Aged , Psychomotor Performance/physiologyABSTRACT
Responses to the Hasegawa Dementia Scale-Revised and the Mini-Mental State Examination were examined for 49 stroke patients to investigate the psychometric equivalence between the two tests. Pearson product-moment correlation and Spearman rank-order correlation between the two tests were 0.87 and 0.78. Each test's scores significantly correlated with the Full Scale IQs on the Wechsler Adult Intelligence Scale--Revised: 0.61 for Hasegawa's Dementia Scale and 0.69 for the Mini-Mental State Examination. These values indicate that the two tests are judged comparable measures for screening cognitive impairment in stroke patients.
Subject(s)
Brain Damage, Chronic/diagnosis , Cerebrovascular Disorders/diagnosis , Dementia, Multi-Infarct/diagnosis , Mental Status Schedule/statistics & numerical data , Neuropsychological Tests/statistics & numerical data , Aged , Brain Damage, Chronic/psychology , Cerebrovascular Disorders/psychology , Dementia, Multi-Infarct/psychology , Female , Humans , Male , Middle Aged , Psychometrics , Reproducibility of Results , Wechsler Scales/statistics & numerical dataSubject(s)
Motor Activity/physiology , Movement , Reaction Time/physiology , Adult , Humans , Male , Middle AgedABSTRACT
Reaction times (RTs) to light stimuli which appeared at central and lateral positions were measured in 13 normal subjects and 34 patients with unilateral lesions in the left or the right hemisphere. The normal subjects showed slowing of RTs to both lateral stimuli compared to the central stimulus, the extent of which was equal between the left and right hands. The patients with left hemispheric lesions had slower RTs to the stimulus contralaterally to the lesion than ipsilaterally and centrally. The patients with right hemispheric lesions had slower RTs both to the contralateral and central stimuli than to the ipsilateral. The results are discussed in relation to functional differentiation of the left and right hemispheres for visual processing.
Subject(s)
Brain Diseases/physiopathology , Dominance, Cerebral , Reaction Time , Visual Fields , Female , Humans , MaleABSTRACT
Reaction times (RTs) of 14 normal subjects were examined in two tasks; the extension of the right middle finger, or of the right toe or the vocalization responding to the sound stimulation (single tasks), and the simultaneous responses of the two mentioned above (simultaneous tasks). RT of each part was longer on the simultaneous response than on the separate one. Slowing of the vocal response combined with the foot was larger than that with the hand and slowing of the foot with the vocalization was larger than that with the hand. The results were interpreted as indicating that the slowing of RT in the simultaneous responses should occur at the levels of the premotor associations, including the basal ganglia and cerebellum, but not at the level of the motor cortex.
Subject(s)
Reaction Time , Voice , Adult , Female , Foot/physiology , Hand/physiology , Humans , Male , Motor Cortex/physiologyABSTRACT
Simple reaction times (RTs) of the left or right hand with or without simultaneous vocalization were examined in 14 right-handed subjects. RTs of the simultaneous tasks were longer than those of the single tasks and slowing of RT was larger on the manual than vocal response, particularly on the right side. The results are interpreted as reflecting a different mode of processing in the left and right hemispheres.
