THE INFLUENCE OF PAST DECISION INFORMATION ON DECISION MAKING IN THE PRESENT

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OLIANEZHAD FARZANEH; ZABBAH SAJJAD; EBRAHIMPOUR REZA

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Journal: Neuroscience Journal of Shefaye Khatam Year:2016 | Volume:4 | Issue:3 Page(s): 1-8

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Information Journal Paper

Title

THE INFLUENCE OF PAST DECISION INFORMATION ON DECISION MAKING IN THE PRESENT

Author(s)

OLIANEZHAD FARZANEH | ZABBAH SAJJAD | EBRAHIMPOUR REZA | Issue Writer Certificate

Keywords

DECISION MAKINGQ2

PSYCHOPHYSICSQ2

NEUROSCIENCESQ2

Abstract

Introduction: Decision process is an accumulation-to-bound mechanism, in which momentary sensory evidence is accumulated over time toward a criterion level. This bounded evidence accumulation is represented in the activity of neurons in the lateral intraparietal (LIP) cortex. Whether the firing rate of LIP neuron contains post decision information (PDI) or returns to baseline level as soon as decision made needs to be clarified.Materials and Methods: To investigate this issue, we conducted behavioral experiments based on the two forced-choice discrimination of motion direction. Human subjects reported the net direction of stochastic random dot motion by pressing a key of specified keys associated with the two possible directions of motion. Trials were separated by different time gaps.Results: Results showed that there is a preference in subjects to make a same decision as their pervious decision, especially in weak stimuli.Conclusion: Our findings suggest that the value of decision variable (DV) after crossing the bound (named PDI) may accumulate with DV for the next decisions.

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APA: Copy

OLIANEZHAD, FARZANEH, ZABBAH, SAJJAD, & EBRAHIMPOUR, REZA. (2016). THE INFLUENCE OF PAST DECISION INFORMATION ON DECISION MAKING IN THE PRESENT. NEUROSCIENCE JOURNAL OF SHEFAYE KHATAM, 4(3), 1-8. SID. https://sid.ir/paper/257921/en

Vancouver: Copy

OLIANEZHAD FARZANEH, ZABBAH SAJJAD, EBRAHIMPOUR REZA. THE INFLUENCE OF PAST DECISION INFORMATION ON DECISION MAKING IN THE PRESENT. NEUROSCIENCE JOURNAL OF SHEFAYE KHATAM[Internet]. 2016;4(3):1-8. Available from: https://sid.ir/paper/257921/en

IEEE: Copy

FARZANEH OLIANEZHAD, SAJJAD ZABBAH, and REZA EBRAHIMPOUR, “THE INFLUENCE OF PAST DECISION INFORMATION ON DECISION MAKING IN THE PRESENT,” NEUROSCIENCE JOURNAL OF SHEFAYE KHATAM, vol. 4, no. 3, pp. 1–8, 2016, [Online]. Available: https://sid.ir/paper/257921/en

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