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University of South Florida

Theses/Dissertations

Behavior

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Full-Text Articles in Medicine and Health Sciences

How Some Arboreal Salamanders (Genus Aneides) Jump, Glide, And Generate Lift, Christian E. Brown Mar 2023

How Some Arboreal Salamanders (Genus Aneides) Jump, Glide, And Generate Lift, Christian E. Brown

USF Tampa Graduate Theses and Dissertations

The jumping and subsequent aerial behaviors of arboreal lungless salamanders (genus Aneides) had never been investigated or described. The aims of this research were to (1) compare jumping performance within the family Plethodontidae with a special focus on arboreal species from genus Aneides, (2) describe the biomechanics and kinematics of aerial behaviors after a jump or extended fall, and (3) model airflow over the morphology of the most aerially adept salamanders to investigate if they are capable of generating lift. First, I recorded salamanders jumping, locomoting vertically, dropping, and flying in a vertical wind tunnel. Then, I laser-scanned and reconstructed …


Behavioral And Immunological Phenotypes Of Transgenic Mice Overexpressing Human Secreted Amyloid Precursor Protein Alpha: Implications For Autism, Antoinette R. Bailey Jan 2012

Behavioral And Immunological Phenotypes Of Transgenic Mice Overexpressing Human Secreted Amyloid Precursor Protein Alpha: Implications For Autism, Antoinette R. Bailey

USF Tampa Graduate Theses and Dissertations

Autism is a heterogeneous neurodevelopmental disorder that is characterized by impaired social interaction and communication as well as restricted and repetitive behaviors and focused interests. In addition to the cardinal behavioral characteristics observed for diagnosis, autistic individuals exhibit a number of comorbid conditions as well as a variety of aberrant immunological features. Recent studies report that plasma from autistic children contained elevated levels of secreted amyloid precursor protein alpha (sAPP-á), the á-secretase cleavage product of the amyloid precursor protein (APP) which is ubiquitously expressed in the brain, spleen, thymus and other organs. Interestingly, the sAPP-á fragment functions as a neurotrophic …