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Cacola, Priscila; Roberson, Jerroed; Gabbard, Carl – Brain and Cognition, 2013
Studies show that as we enter older adulthood (greater than 64 years), our ability to mentally represent action in the form of using motor imagery declines. Using a chronometry paradigm to compare the movement duration of imagined and executed movements, we tested young-, middle-aged, and older adults on their ability to perform sequential finger…
Descriptors: Older Adults, Aging (Individuals), Comparative Analysis, Adults
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Sunderland, Alan; Wilkins, Leigh; Dineen, Rob; Dawson, Sophie E. – Brain and Cognition, 2013
Impaired tool related action in ideomotor apraxia is normally ascribed to loss of sensorimotor memories for habitual actions (engrams), but this account has not been tested against a hypothesis of a general deficit in representation of hand-object spatial relationships. Rapid reaching for familiar tools was compared with reaching for abstract…
Descriptors: Control Groups, Patients, Brain Hemisphere Functions, Sensory Integration
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Gabbard, Carl; Cacola, Priscila; Bobbio, Tatiana – Brain and Cognition, 2011
Theory suggests that imagined and executed movement planning relies on internal models for action. Using a chronometry paradigm to compare the movement duration of imagined and executed movements, we tested children aged 7-11 years and adults on their ability to perform sequential finger movements. Underscoring this tactic was our desire to gain a…
Descriptors: Psychomotor Skills, Motor Reactions, Comparative Analysis, Children
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Vanbellingen, T.; Kersten, B.; Bellion, M.; Temperli, P.; Baronti, F.; Muri, R.; Bohlhalter, S. – Brain and Cognition, 2011
A controversial concept suggests that impaired finger dexterity in Parkinson's disease may be related to limb kinetic apraxia that is not explained by elemental motor deficits such as bradykinesia. To explore the nature of dexterous difficulties, the aim of the present study was to assess the relationship of finger dexterity with ideomotor praxis…
Descriptors: Diseases, Pathology, Rating Scales, Patients
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Teixeira, Luis Augusto; Teixeira, Maria Candida Tocci – Brain and Cognition, 2007
The effect of unimanual practice of the non-preferred hand on manual asymmetry and manual preference for sequential finger movements was evaluated in right-handers before, immediately after, and 30 days following practice. The results demonstrate that unimanual practice induced a persistent shift of manual preference for the experimental task in…
Descriptors: Behavior Change, Psychomotor Skills, Experiments, Handedness
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Salthouse, Timothy A.; Siedlecki, Karen L. – Brain and Cognition, 2007
Two tasks hypothesized to assess the efficiency of route selection were administered to 328 adults ranging from 18 to 93 years of age. Increased age was associated with slower completion of mazes, even after adjusting for differences in perceptual-motor speed, and with longer and less accurate routes in a task in which participants were asked to…
Descriptors: Efficiency, Cognitive Ability, Adults, Task Analysis