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Effect of stimulation shapes on the Steady-State Visual-Evoked response
Published in Institute of Electrical and Electronics Engineers Inc.
2015
Abstract
The strength of Steady-State Visual-Evoked Potentials (SSVEPs) have been observed to greatly depend on the stimulation source and paradigm. Orientation and size specific neurons have been discovered in the occipital cortex, which activate only when excited with specific patterns. Different shapes have different orientation and size aspects that eventually lead to activation of different neuronal groups. In this study, we investigate the potential for a novel shape switching based stimulation paradigm for SSVEP elicitation. Pattern reversal stimuli was found to elicit stronger SSVEP relative to single graphic stimuli. Results indicate that there might exist a subject-dependent connection between the elicited SSVEP and choice of shapes for the stimulation paradigm. © 2015 IEEE.
About the journal
JournalData powered by Typeset2015 41st Annual Northeast Biomedical Engineering Conference, NEBEC 2015
PublisherData powered by TypesetInstitute of Electrical and Electronics Engineers Inc.
Open AccessNo
Concepts (9)
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    Electrophysiology
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    Neurons
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    Different shapes
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    Evoked response
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    NEURONAL GROUPS
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    OCCIPITAL CORTEX
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    Steady state
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    STEADY STATE VISUAL EVOKED POTENTIAL (SSVEPS)
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    Biomedical engineering