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This protocol provides instructions on how to use a self-contained underwater velocimetry apparatus (SCUVA), which is designed for quantification of in situ animal-generated flows. In addition, this protocol addresses challenges posed by field conditions, and includes operator motion, predicting position of animals, and orientation of...
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Training Rats to Voluntarily Dive Underwater: Investigations of the Mammalian Diving Response

Detailed instructions are provided on how to train rats to voluntarily dive underwater through a 5 m long Plexiglas maze. Because the brains of rats have been very well characterized, voluntarily diving rats may help elucidate the central pathways of the mammalian diving...
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Microvascular Decompression: Salient Surgical Principles and Technical Nuances10:35

Microvascular Decompression: Salient Surgical Principles and Technical Nuances

There are many available options for management of the patient with trigeminal neuralgia. Microvascular decompression, while the most invasive of all options, is also the most effective at achieving long term remission of symptoms. Video instruction on how to maximize efficacy and minimize complications with this procedure is...
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Excess Pressure Inside a Drop and a Bubble

The shape of a small drop of liquid can be considered spherical, neglecting the effect of gravity. This drop can further be considered as two equal hemispherical drops put together due to surface tension. The forces acting on the spherical drop are due to the pressure of the liquid inside the drop, the pressure due to air outside the drop, and the force due to the surface tension acting on the two hemispherical drops.
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The manuscript presents a minimally invasive nerve and muscle-sparing surgical protocol to decompress occipital nerves aiming to improve occipital...
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