Date of Award
1987
Document Type
Thesis
Publication Status
Version of Record
Submission Date
October 2026
Abstract
The relationship between P300 elicited on a primary counting task and performance on a secondary signal detection task was examined in a dual-task paradigm in which the secondary task followed the primary task by 120 ms. An odd-ball paradigm, utilizing two auditory tones (Standard and Deviant) was employed as the primary counting task in order to elicit two states characterized by differences in P300 amplitudes. The standard trials were further categorized according to their serial position in each series of trials. A signal detection task in which an auditory tone followed the primary task tones on 50 percent of the trials served as the secondary task. The principal hypothesis was that a decrease in sensitivity on secondary signal detection task accompanied Deviant trials in which a P300 was elicited. Results were consistent with the hypothesis and provided support for both neural inhibition and cognitive resource allocation models.
Extent
62 p.
Recommended Citation
ODIERNA, LISA ANN, "THE EFFECT OF DUAL-TASK ON THE HUMAN EVOKED POTENTIAL ELICITED ON A PRIMARY TASK AND PERFORMANCE ON A NEAR-SIMULTANEOUS SECONDARY SIGNAL DETECTION TASK" (1987). Electronic Theses and Dissertations 1980 - 1989. 591.
https://digitalcommons.fau.edu/etd_general_3/591
Identifier
FADT14352
Comments
Thesis (M.A.)--Florida Atlantic University, 1987.|Charles E. Schmidt College of Science|Thesis (M.A.)--Florida Atlantic University, 1987.