By Cheryl L Dickter
"A specific and demanding source, packed with serious sensible wisdom and technical information made without difficulty accessible."
- Tiffany Ito, college of Colorado at Boulder
"A entire and interesting consultant to EEG tools in social neuroscience; Dickter and Kiefabber provide useful info for engaging in EEG examine in a social/personality lab, with a extensive point of view on how neuroscience can tell psychology. it is a targeted and worthy source - a must have for scientists attracted to the social brain."
- David M. Amodio, ny collage
Electroencephalography (EEG) has obvious a dramatic elevate in program as a study instrument within the mental sciences in recent times.
This publication presents an advent to the know-how and strategies of EEG within the context of social and cognitive neuroscience study that would attract investigators (students or researchers) wishing to develop their learn goals to incorporate EEG, and to these already utilizing EEG yet wishing to extend their analytic repertoire. it will possibly additionally function a textbook for a postgraduate path or upper-level undergraduate path in any quarter of behavioural neuroscience.
The ebook offers an advent to the speculation, expertise, and strategies of EEG info research besides the sensible talents required to have interaction this renowned expertise. starting with a history within the neural origins and actual rules concerned about recording EEG, readers also will locate discussions of functional concerns concerning the recording of EEG in people in addition to advice for the configuration of an EEG laboratory.
The analytic equipment coated contain event-related mind potentials (ERPs), spectral asymmetry, and time-frequency analyses. A conceptual heritage and assessment of domain-specific functions of the tactic is equipped for every kind of research. There’s additionally complete guided research for every analytic strategy that comes with tutorial-style guide and pattern datasets.
This booklet is ideal for complex scholars and researchers within the mental sciences and comparable disciplines who are using EEG of their study.
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Additional resources for EEG Methods for the Psychological Sciences
In most cases, the number of channels used for EEG research in the fields of social and personality psychology ranges between 24 and 128, though the exact number of available channels depends on the hardware design by the manufacturer. Many systems are extensible, meaning that two or more units may be ‘chained’ together to increase the total number of channels. The two factors most likely to determine the number of channels used by any given lab are cost and research goals. The cost of high-density EEG arrays is not only driven by the increased expense of an amplifier with many input channels, but also by the added expense of high-density EEG caps, the costs associated with cap repairs (which are more likely with a higher number of leads), and the need for more data storage capacity.
Although there is considerable variety in the way in which filters are implemented across manufacturers, the goal of each is the same: to remove noise from the recordings prior to amplification. On the one hand, filters that remove very high-frequency noise, known as ‘low-pass’ filters, help to remove ambient noise from the voltage signals passed to the ADC and also help to prevent aliasing. For example, ambient noise from cellular phones and Wi-Fi networks can exceed 900 MHz (900,000,000 Hz), far exceeding even the highest sample rates used by modern EEG amplifiers.
This is especially important when software has limited support for the generation of publication quality graphics given that those graphics must be generated outside the data analysis software. ELECTRODES/MONTAGE Another important consideration in the configuration of an EEG laboratory is the selection of electrodes, or leads, as they are sometimes called. Electrodes vary in shape and size and can be made of a variety of conductive materials. The importance of selecting electrodes consisting of materials that are maximally conductive 38 EEG Methods for the Psychological Sciences and have a low half-cell potential was discussed in Chapter 2.