Location

Portland State University

Start Date

7-5-2019 11:00 AM

End Date

7-5-2019 1:00 PM

Subjects

Evoked potentials (Electrophysiology), Electroencephalography, Cognitive neuroscience

Abstract

Questions:
Will the N400 ERP be observed when participants read word pairs that are either related (semantically, causally, hierarchically, or associatively) or unrelated?

Will a replication of a study using word pairs with varying degrees of relatedness produce similar results to the model study in terms of N400 latency and amplitude?

Can results from a robust, easily-recognizable ERP be used to validate methods for the discovery of more subtle ERP’s?

Hypotheses:

It is expected that our results will mirror the findings of our model study, revealing significant negative-going neural activity between 200 and 500ms after seeing the stimulus. We anticipate this effect to be robust enough to identify as the N400 ERP. Further, we expect to be able to use these findings in later studies as a means of validating the methods and procedures for investigating more subtle ERP-related neurolinguistic events.

Persistent Identifier

https://archives.pdx.edu/ds/psu/28610

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May 7th, 11:00 AM May 7th, 1:00 PM

An Ocean of Brain Waves: Analyzing Methods to Find ERP Signals in the Noise

Portland State University

Questions:
Will the N400 ERP be observed when participants read word pairs that are either related (semantically, causally, hierarchically, or associatively) or unrelated?

Will a replication of a study using word pairs with varying degrees of relatedness produce similar results to the model study in terms of N400 latency and amplitude?

Can results from a robust, easily-recognizable ERP be used to validate methods for the discovery of more subtle ERP’s?

Hypotheses:

It is expected that our results will mirror the findings of our model study, revealing significant negative-going neural activity between 200 and 500ms after seeing the stimulus. We anticipate this effect to be robust enough to identify as the N400 ERP. Further, we expect to be able to use these findings in later studies as a means of validating the methods and procedures for investigating more subtle ERP-related neurolinguistic events.