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Can Gravitational Influences Explain Endpoint Precision Between Visual Conditions?, Chelsea Marie Soebbing
Can Gravitational Influences Explain Endpoint Precision Between Visual Conditions?, Chelsea Marie Soebbing
LSU Master's Theses
Reaches to remembered target locations often result in different endpoint precision when compared to reaches to actual (seen) targets. Interestingly, errors are observed whether the reach to the remembered location is performed in an environment with or without allocentric cues (visual cues from the environment) available. People tend to point below remembered target locations in the dark relative to normal room lighting while seated, standing, and reaching with a step. In this study we questioned the effect of gravitational influences on upper extremity reaching and pointing accuracy in dark and illuminated environments. We hypothesized that alterations in body orientation would …