KINESIOL 3Q03 Lecture Notes - Lecture 3: Heredity, Motor Skill, Information Processing
20 Sep 2016
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For first 22 months (88 wks), johnny exercised daily, jimmy was kept in a crib: johnny: toys and considerable stim, practice experiences in a variety of movement activities, jimmy: few toys and minimal motor stim. From months 22-25 (88-100), jimmy was given intensive practice in the same activities (same as. Johnny: thus, differing environmental constraints during the first two years of life after first two years everything became the same, identified a critical developmental period (0-2 y/o) Constraints (indiv/enviro/task: type, rate and nature of change (phylogenic/ontogenic) Phylogenetic: behaviours common to all members of a species fundamental movement behaviours. Ontogenetic: behaviours unique to the individual, or indiv"s culture (learning is usually involved) Comparative development btwn johnny"s long practice period, an dduring jummpy"s brief prac period, and during six years following. 14 wks jimmy is a bit advanced beyond johnny in gaining postural control of head and shoulder region.
