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A complex sequence learning task was used to determine if the type of coding acquired through physical practice (PP), observation of the stimulus (Obs-S), or observation of stimulus and action (Obs-SA) differs between conditions and whether the type of observation influences subsequent learning of the task when physical practice was permitted. Participants(More)
  • Chris Barker, Farrell Ackerman, Mark Aronoff, Greg Carlson, David Dowty, Svetlana Godjevac +27 others
  • 2000
This paper offers a detailed analysis of the English suffix-ee (employee, escapee, refugee, etc.) based on 1500 naturally-occurring tokens of some 500 word types. The data suggest that formation of nouns in-ee is moderately but genuinely productive, and that analyses based on the syntactic argument structure of the stem verb are unsatisfactory. Instead,(More)
Hikosaka et al. (1999) proposed that sequential movements are acquired in independent visual-spatial and motor coordinate systems with coding initially represented in visual-spatial coordinates, and later after extended practice in motor coordinates. One aspect of sequence learning that has not been systematically studied, however, is the question of(More)
We investigated the practice-effects on motor skill transfer and the associated representational memory changes that occur during the within-practice and between-practice phases. In two experiments, participants produced extension-flexion movements with their dominant right arm for a limited or prolonged practice session arranged in either a single- or(More)
Cerebral side effects of therapy with glucocorticoids include mental alterations and behavioral disturbances such as nervousness, insomnia, changes in mood or psychological state and psychopathies of manic-depressive or schizophrenic type. We have investigated the effects of glucocorticoids, anabolic/androgenic steroids and the 5-alpha-reductase inhibitor(More)
We examined the influence of visual context information on skilled motor behaviour and motor adaptation in basketball. The rules of basketball in Europe have recently changed, such that that the distance for three-point shots increased from 6.25 m to 6.75 m. As such, we tested the extent to which basketball experts can adapt to the longer distance when a)(More)
Progesterone 5-alpha-reductase activity and 3-alpha-hydroxysteroid dehydrogenase activity were determined in the cortex of male and female rats in vitro. Age effects were investigated. The age of the male rats was 3-23 months, and that of the female rats 4-23 months. On addition, we investigated the enzyme 3 beta-hydroxysteroid oxidoreductase,(More)
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