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Performing Electroconvulsive Therapy and Assessing Seizure Efficacy via Pupillary Response02:22

Performing Electroconvulsive Therapy and Assessing Seizure Efficacy via Pupillary Response

Source: Shirozu, K., et al. Pupillary Response as Assessment of Effective Seizure Induction by Electroconvulsive Therapy. J. Vis. Exp. (2019)This video demonstrates the procedure for performing electroconvulsive therapy in a human patient, highlighting the stimulation process and assessing seizure activity through pupillary...
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Pupillary Response as Assessment of Effective Seizure Induction by Electroconvulsive Therapy04:51

Pupillary Response as Assessment of Effective Seizure Induction by Electroconvulsive Therapy

Pupillary responses (light reflex) were measured for assessment of adequate seizure induction by electroconvulsive therapy using an automated infrared pupillometer immediately after electrical stimulation. Constriction ratio was calculated and compared with seizure...
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Neurodevelopmental Reflex Testing in Neonatal Rat Pups09:35

Neurodevelopmental Reflex Testing in Neonatal Rat Pups

Behavioral testing is the gold standard for determining outcomes following brain injury, and can identify the presence of developmental disabilities in infants and children. Neurodevelopmental reflexes are an early indicator of these abnormalities. A host of easily accomplished developmental reflex tests in the neonatal rodent were developed and described here.
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Determination of Photoreceptor Cell Spectral Sensitivity in an Insect Model from In Vivo Intracellular Recordings08:33

Determination of Photoreceptor Cell Spectral Sensitivity in an Insect Model from In Vivo Intracellular Recordings

The electrophysiological technique of intracellular recording is demonstrated and used to determine spectral sensitivities of single photoreceptor cells in the compound eye of a...
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Integrating a Triplet-triplet Annihilation Up-conversion System to Enhance Dye-sensitized Solar Cell Response to Sub-bandgap Light11:26

Integrating a Triplet-triplet Annihilation Up-conversion System to Enhance Dye-sensitized Solar Cell Response to Sub-bandgap Light

An integrated device, incorporating a dye-sensitized solar cell and triplet-triplet annihilation up-conversion unit was produced, affording enhanced light harvesting, from a wider section of the solar spectrum. Under modest irradiation levels a significantly enhanced response to low energy photons was demonstrated, yielding a record figure of merit for dye-sensitized solar...
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In Vivo Intracellular Recording of Photoreceptor Cell Spectral Sensitivity in a Butterfly03:48

In Vivo Intracellular Recording of Photoreceptor Cell Spectral Sensitivity in a Butterfly

This video demonstrates the procedure for in vivo intracellular recording of photoreceptor cells in the eye of a butterfly and determining the spectral sensitivity of individual cell types. This technique enables the study of sensitivities of individual photoreceptor cells to different light...
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