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FAU 2016 3MT® Three Minute Thesis Championship - Kyle Newton
Title
FAU 2016 3MT® Three Minute Thesis Championship - Kyle Newton.
Creator
Newton, Kyle C., Graduate College
Abstract/Description
The 3MT® competition celebrates the exciting research conducted by graduate students. Developed by The University of Queensland (UQ), the exercise cultivates students’ academic, presentation, and research communication skills. The competition supports their capacity to effectively explain their research in three minutes, in language appropriate to a non-specialist audience. The first 3MT® competition was held at the University of Queensland in 2008 with 160 students competing. In 2009 and...
Show moreThe 3MT® competition celebrates the exciting research conducted by graduate students. Developed by The University of Queensland (UQ), the exercise cultivates students’ academic, presentation, and research communication skills. The competition supports their capacity to effectively explain their research in three minutes, in language appropriate to a non-specialist audience. The first 3MT® competition was held at the University of Queensland in 2008 with 160 students competing. In 2009 and 2010 the 3MT® competition was promoted to other Australian and New Zealand universities and enthusiasm for the concept grew. Since 2011, the popularity of the competition has increased and 3MT® competitions are now held in over 170 universities across more than 18 countries worldwide.
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Date Issued
2016
PURL
http://purl.flvc.org/fau/fd/FA00005382
Subject Headings
College students --Research --United States.
Format
Video file
Sexual and Ontogenetic Dimorphisms in the Anterior Lateral Line Nerve of the Yellow Singray, Urobatis jamaicensis
Title
Sexual and Ontogenetic Dimorphisms in the Anterior Lateral Line Nerve of the Yellow Singray, Urobatis jamaicensis.
Creator
Kramer, Katie, Newton, Kyle C., Kajiura, Stephen M., Office of Undergraduate Research and Inquiry
Abstract/Description
To fully understand the function of the elasmobranch electrosensory system it is necessary to examine electrosensory nerves extending from the ampullae of Lorenzini to the central nervous system. Studies detailing the composition of sensory axons are rare, but they have shown that ontogenetic and sexual dimorphism exists in the anterior lateral line nerve (ALLN) of numerous species. This study obtained a count of the number of axons comprising the ALLN in male vs. female and adult vs....
Show moreTo fully understand the function of the elasmobranch electrosensory system it is necessary to examine electrosensory nerves extending from the ampullae of Lorenzini to the central nervous system. Studies detailing the composition of sensory axons are rare, but they have shown that ontogenetic and sexual dimorphism exists in the anterior lateral line nerve (ALLN) of numerous species. This study obtained a count of the number of axons comprising the ALLN in male vs. female and adult vs. juvenile yellow stingrays (Urobatis jamaicensis). We hypothesized that males have more axons than females, and that the number of axons is ontogenetically constant. We expect males to have 30% more axons in their ALLN, and that the number of axons is ontogenetically constant for both sexes. This study will provide unique data about the electrosensory nerves of Yellow stingrays that can be used in future studies to make comparisons between other species.
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Date Issued
2017
PURL
http://purl.flvc.org/fau/fd/FA00005624
Subject Headings
College students --Research --United States.
Format
Document (PDF)
Cognitive and magnetosensory ecology of the yellow stingray, Urobatis jamaicensis
Title
Cognitive and magnetosensory ecology of the yellow stingray, Urobatis jamaicensis.
Creator
Newton, Kyle C., Kajiura, Stephen M., Florida Atlantic University, Charles E. Schmidt College of Science, Department of Biological Sciences
Abstract/Description
Elasmobranchs (sharks, skates, and rays) migrate across a wide range of spatiotemporal scales, display philopatry, seasonal residency, and maintain home ranges. Many animals use the Earth’s magnetic field to orient and navigate between habitats. The geomagnetic field provides a variety of sensory cues to magnetically sensitive species, which could potentially use the polarity, or intensity and inclination angle of the field, to derive a sense of direction, or location, during migration....
Show moreElasmobranchs (sharks, skates, and rays) migrate across a wide range of spatiotemporal scales, display philopatry, seasonal residency, and maintain home ranges. Many animals use the Earth’s magnetic field to orient and navigate between habitats. The geomagnetic field provides a variety of sensory cues to magnetically sensitive species, which could potentially use the polarity, or intensity and inclination angle of the field, to derive a sense of direction, or location, during migration. Magnetoreception has never been unequivocally demonstrated in any elasmobranch species and the cognitive abilities of these fishes are poorly studied. This project used behavioral conditioning assays that paired magnetic and reinforcement stimuli in order to elicit behavioral responses. The specific goals were to determine if the yellow stingray, Urobatis jamaicensis, could detect magnetic fields, to quantify the nature of the magnetic stimuli it could detect, and to quantify the learning and memory capabilities of this species. The results supported the original hypotheses and demonstrated that the yellow stingray could: discriminate between magnetic and non-magnetic objects; detect and discriminate between changes in geomagnetic field strength and inclination angle; and use geomagnetic field polarity to solve a navigational task. The yellow stingray learned behavioral tasks faster and retained the memories of learned associations longer than any batoid (skate or ray) to date. The data also suggest that this species can classify magnetic field stimuli into categories and learn similar behavioral tasks with increased efficiency, which indicate behavioral flexibility. These data support the idea that cartilaginous fishes use the geomagnetic field as an environmental cue to derive a sense of location and direction during migrations. Future studies should investigate the mechanism, physiological threshold, and sensitivity range of the elasmobranch magnetic sense in order to understand the effects of anthropogenic activities and environmental change on the migratory ability of these fishes.
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Date Issued
2017
PURL
http://purl.flvc.org/fau/fd/FA00004883, http://purl.flvc.org/fau/fd/FA00004883
Subject Headings
Animal behavior., Animal migration., Magnetic fields--Physiological effect., Senses and sensation., Adaptation (Biology)
Format
Document (PDF)