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Comparative Aspects Of The Control Of Posture And Locomotion In The Spider Crab Libinia Emarginata, Andres Gabriel Vidal Gadea
Comparative Aspects Of The Control Of Posture And Locomotion In The Spider Crab Libinia Emarginata, Andres Gabriel Vidal Gadea
LSU Doctoral Dissertations
The study of pedestrian locomotion in crustaceans has largely focused on forward walking macrurans, or sideway walking brachyurans. The spider crab, Libinia emarginata is a brachyuran that, unlike its close relatives, preferentially walks forward. The phylogenetic position, behavioral preference, and amenability to experimental techniques make spider crabs an attractive model for comparative studies of crustacean locomotion. This dissertation looks at the neuroethology of forward walking in L. emarginata. I described the skeletal, muscular, and neural anatomy of the walking machinery of L. emarginata and found adaptations at each level that reflect its walking preference. The ranges of motion of leg …
A Critical Item Analysis Of The Qabf: Development Of A Short Form Assessment Instrument, Ashvind Nand Singh
A Critical Item Analysis Of The Qabf: Development Of A Short Form Assessment Instrument, Ashvind Nand Singh
LSU Doctoral Dissertations
Due to the relative inability of individuals with intellectual disabilities (ID) to provide an accurate and reliable self-report, assessment in this population is more difficult than with individuals in the general population. As such, assessment procedures must be adjusted to compensate for the relative lack of information that the individual can provide and rely more on the behavioral expression of communication. One method commonly used is the indirect functional assessment that utilizes behavior rating scales that have been developed to gather behavioral data in a short time. One of the few empirically derived and psychometrically sound is the QABF, a …