Spike Heels
In: Feminist studies: FS, Band 32, Heft 1, S. 85
ISSN: 2153-3873
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In: Feminist studies: FS, Band 32, Heft 1, S. 85
ISSN: 2153-3873
In: Africa research bulletin. Political, social and cultural series, Band 59, Heft 2
ISSN: 1467-825X
In: Africa research bulletin. Economic, financial and technical series, Band 48, Heft 1
ISSN: 1467-6346
In: Futures: the journal of policy, planning and futures studies, Band 32, Heft 6, S. 539-554
ISSN: 0016-3287
In: Werkstattstechnik: wt, Band 102, Heft 11-12, S. 769-776
ISSN: 1436-4980
In: American Journal of Agricultural Economics, Band 79, Heft 3, S. 1013-1023
SSRN
Blog: The Axe Files with David Axelrod
Spike Lee, one of the leading African-American filmmakers of all time, speaks with David about his new movie on Chicago gun violence CHI-RAQ, race relations in the U.S., and his love of the New York Knicks.
Warning: This episode contains some explicit language.
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Electro- and magnetoencephalography (EEG/MEG) are the means to investigate the dynamics of neuronal activity non-invasively in the human brain. However, both EEG and MEG are also sensitive to non-neural sources, which can severely complicate the interpretation. The saccadic spike potential (SP) at saccade onset has been identified as a particularly problematic artifact in EEG because it closely resembles synchronous neuronal gamma band activity. While the SP and its confounding effects on EEG have been thoroughly characterized, the corresponding artifact in MEG, the saccadic spike field (SF), has not been investigated. Here we provide a detailed characterization of the SF. We simultaneously recorded MEG, EEG, gaze position and electrooculogram (EOG). We compared the SF in MEG for different saccade sizes and directions and contrasted it with the well-known SP in EEG. Our results reveal a saccade amplitude and direction dependent, lateralized saccadic spike artifact, which was most prominent in the gamma frequency range. The SF was strongest at frontal and temporal sensors but unlike the SP in EEG did not contaminate parietal sensors. Furthermore, we observed that the source configurations of the SF were comparable for regular and miniature saccades. Using distributed source analysis we identified the sources of the SF in the extraocular muscles. In summary, our results show that the SF in MEG closely resembles neuronal activity in frontal and temporal sensors. Our detailed characterization of the SF constitutes a solid basis for assessing possible saccadic spike related contamination in MEG experiments. ; the European Union ; the German Federal Ministry of Education and Research ; publisher version
BASE
In: Military technology: Miltech, Band 34, Heft 3, S. 92-93
ISSN: 0722-3226
World Affairs Online
In: The Salisbury review: a quarterly magazine of conservative thought, Band 21, Heft 4, S. 25-27
ISSN: 0265-4881
In: Journal of international economics, Band 89, Heft 2, S. 511-521
ISSN: 0022-1996