By Steven J. Luck
The event-related strength (ERP) process, within which neural responses to particular occasions are extracted from the EEG, offers a robust noninvasive software for exploring the human mind. This quantity describes functional equipment for ERP examine besides the underlying theoretical purpose. It bargains researchers and scholars a necessary advisor to designing, accomplishing, and reading ERP experiments. This moment version has been thoroughly up-to-date, with extra fabric, new chapters, and extra available reasons. Freely to be had supplementary fabric, together with a number of online-only chapters, provide improved or complicated remedy of chosen subject matters. the 1st half the e-book provides crucial heritage info, describing the origins of ERPs, the character of ERP parts, and the layout of ERP experiments. the second one half the ebook deals an in depth remedy of the most steps concerned about accomplishing ERP experiments, overlaying such issues as recording the EEG, filtering the EEG and ERP waveforms, and quantifying amplitudes and latencies. all through, the emphasis is on rigorous experimental layout and comparatively uncomplicated analyses. New fabric within the moment variation comprises complete chapters dedicated to parts, artifacts, measuring amplitudes and latencies, and statistical research; up to date assurance of recording applied sciences; concrete examples of experimental layout; and lots of extra figures. on-line chapters disguise such subject matters as overlap, localization, writing and reviewing ERP papers, and establishing and working an ERP lab.
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Additional resources for An Introduction to the Event-Related Potential Technique
Similarly, if voltage stays the same and the resistance increases, the current will decrease. However, if a thin hose is used, a large volume of water can be obtained in a given time period by increasing the water pressure. Similarly, it is possible to maintain a constant current when the resistance is increased by increasing the voltage. We will talk more about how resistance and its close cousin impedance influence EEG recordings in chapter 5. Electricity and Magnetism Electricity and magnetism are fundamentally related to each other, and it is important to understand this relationship to understand how electrical noise is picked up in ERP recordings and how MEG recordings are related to EEG recordings (which will be described in more detail later).
Consequently, in vivo recordings of individual neurons (“single-unit” recordings) measure action potentials rather than postsynaptic potentials. When many neurons are recorded simultaneously, however, it is possible to measure either their summed postsynaptic potentials or their action potentials. 1 In the vast majority of cases, action potentials cannot be detected by surface (scalp) electrodes because of the timing of the action potentials and the physical arrangement of axons. When an action potential is generated, current flows rapidly into and then out of the axon at one point along the axon, and then this same inflow and outflow occur at the next point along the axon, and so on until the action potential reaches a terminal.
Luck & E. S. ), The Oxford Handbook of ERP Components (pp. 3–30). New York: Oxford University Press. , Kappenman, E. , Luck, S. , & Yee, C. M. (in press). Publication guidelines and recommendations for studies using electroencephalography and magnetoencephalography. Psychophysiology. , & Brisson, B. (2008). Measurement of ERP latency differences: A comparison of single-participant and jackknife-based scoring methods. Psychophysiology, 45, 250–274. , & Dale, A. (1997). Electrical and magnetic readings of mental functions.
An Introduction to the Event-Related Potential Technique by Steven J. Luck