Single Pole Stimulation
Single Pole Stimulation - Related Videos
08:57
Introduction to the Power Pole Board
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2023
Source: Ali Bazzi, Department of Electrical Engineering, University of Connecticut, Storrs, CT. DC/DC converters are power electronic converters that convert DC voltages and currents from a certain level to another level. Typically, voltage conversion is the main purpose of DC/DC converters and three main types of conversion exist in a single converter: stepping up, stepping down, and stepping up or down. Among the most common step-up converters are boost converters (Refer to this collections...
01:24
Pole and System Stability
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2024
The transfer function is a fundamental concept representing the ratio of two polynomials. The numerator and denominator encapsulate the system's dynamics. The zeros and poles of this transfer function are critical in determining the system's behavior and stability. Simple poles are unique roots of the denominator polynomial. Each simple pole corresponds to a distinct solution to the system's characteristic equation, typically resulting in exponential decay terms in the system's response.
11:02
Combining Transcranial Magnetic Stimulation and fMRI to Examine the Default Mode Network
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Cited by 17 •
2010
In this article, we examine the methodology and considerations relevant to the combination of TMS and fMRI to examine the effects of brain stimulation on the default network.
14:21
Dissection of Organizer and Animal Pole Explants from Xenopus laevis Embryos and Assembly of a Cell Adhesion Assay
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Cited by 2 •
2007
This video demonstrates the technique used for preparation of organizer and animal pole explants from Xenopus laevis embryos, including the use of the eyebrow knife - a specialized dissection tool made of one's eyebrow. The protocol for assembling an adhesion assay is also given, which probes for the presence of key adhesion molecules present on the surface organizer or animal pole cells that are critical for proper development.
12:09
Stimulating the Lip Motor Cortex with Transcranial Magnetic Stimulation
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Cited by 29 •
2014
Transcranial magnetic stimulation (TMS) has proven to be a useful tool in investigating the role of the articulatory motor cortex in speech perception. This article describes how to record motor evoked potentials (MEPs) from the lip muscles and how to disrupt the motor lip representation using repetitive TMS.
FAQs
The effect is governed by the electric field's influence on membrane potential. Stimulation strength determines how pronounced that influence becomes, while polarity can shift the response toward increased or decreased excitability. Timing also matters because the same electrical input may have different consequences when delivered at different points in neural activity. These variables help researchers interpret whether stimulation triggers or suppresses activity.
The distant reference or return path helps define the electrode configuration through which the active input is applied, while the resulting field affects nearby neural tissue. Because researchers can compare configurations, the reference arrangement becomes an experimental variable rather than a minor setup detail. This supports interpretation of how electrode geometry relates to localized neural effects.
Neural tissue properties influence how delivered current produces an electric field and how nearby membranes respond. Consequently, identical stimulation strength, polarity, and timing need not produce identical changes in excitability across experimental conditions. Accounting for these properties helps researchers interpret evoked responses and avoid treating a stimulation parameter as having a fixed biological effect in every neural context.
Researchers establish an active electrode together with a distant reference or return path, then deliver electrical current under selected stimulation conditions. They can monitor the resulting neural response, including evoked activity, while varying strength, polarity, or timing. This workflow links a defined electrical input to changes in excitability and provides a basis for studying circuit responses.
Experiments can reveal whether a localized electrical input triggers or suppresses neural activity and can produce evoked responses for analysis. Researchers may then relate those responses to neural-circuit function, behavior, or information processing. The outcome is therefore not limited to electrode-level measurements; it can connect stimulation parameters with broader changes in nervous-system activity.
Single Pole Stimulation provides a foundation for experimental neuromodulation, in which electrical input is used to influence neural activity in a controlled research setting. It also supports studies of how localized inputs affect behavior and information processing. By comparing responses across stimulation conditions or electrode configurations, investigators can examine how circuit-level activity relates to these outcomes.