Having more choices changes how human observers weight stable sensory evidence

บทความในวารสาร


ผู้เขียน/บรรณาธิการ


กลุ่มสาขาการวิจัยเชิงกลยุทธ์

ไม่พบข้อมูลที่เกี่ยวข้อง


รายละเอียดสำหรับงานพิมพ์

รายชื่อผู้แต่งItthipuripat S., Cha K., Deering S., Salazar A.M., Serences J.T.

ผู้เผยแพร่Society for Neuroscience

ปีที่เผยแพร่ (ค.ศ.)2018

วารสารThe Journal of Neuroscience (0270-6474)

Volume number38

Issue number40

หน้าแรก8635

หน้าสุดท้าย8649

จำนวนหน้า15

นอก0270-6474

eISSN1529-2401

URLhttps://www.scopus.com/inward/record.uri?eid=2-s2.0-85054426585&doi=10.1523%2fJNEUROSCI.0440-18.2018&partnerID=40&md5=049329325f33aeba8b94e7e6b105c1e3

ภาษาEnglish-Great Britain (EN-GB)


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บทคัดย่อ

Decision-making becomes slower when more choices are available. Existing models attribute this slowing to poor sensory processing, to attenuated rates of sensory evidence accumulation, or to increases in the amount of evidence required before committing to a decision (a higher decision threshold). However, studies have not isolated the effects of having more choices on sensory and decision-related processes from changes in task difficulty and divided attention. Here, we controlled task difficulty while independently manipulating the distribution of attention and the number of choices available to male and female human observers. We used EEG to measure steady-state visually evoked potentials (SSVEPs) and a frontal late positive deflection (LPD), EEG markers of sensory and postsensory decision-related processes, respectively. We found that dividing attention decreased SSVEP and LPD amplitudes, consistent with dampened sensory responses and slower rates of evidence accumulation, respectively. In contrast, having more choices did not alter SSVEP amplitude and led to a larger LPD. These results suggest that having more options largely spares early sensory processing and slows down decision-making via a selective increase in decision thresholds. Copyright ฉ 2018 the authors.


คำสำคัญ

Decision thresholdDivided attentionEvent-related potentialEvidence accumulationMultiple-choice decision-makingSteady-state visually evoked potential


อัพเดทล่าสุด 2023-04-10 ถึง 07:37