ELIZA

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343831 occurrences (No.54 in the rank) during 5 years in the PubMed. [no cache] 500 found

32) Surprisingly, BOLD signals in the dorsomedial prefrontal cortex (dmPFC) showed polar opposite responses to the 2 sources of uncertainty, with the strongest response to ambiguous tallies of evidence (high mean uncertainty) and to homogenous arrays (low variance uncertainty).

--- ABSTRACT ---

PMID:24122138 DOI:10.1093/cercor/bht287

2015 Cerebral cortex (New York, N.Y. : 1991)

* Unreliable evidence: 2 sources of uncertainty during perceptual choice.

- Perceptual decisions often involve integrating evidence from multiple concurrently available sources. Uncertainty arises when the integrated (mean) evidence fails to support one alternative over another. However, evidence heterogeneity (variability) also provokes uncertainty. Here, we asked whether these 2 sources of uncertainty have independent behavioral and neural effects during choice. Human observers undergoing functional neuroimaging judged the average color or shape of a multielement array. The mean and variance of the feature values exerted independent influences on behavior and brain activity. Surprisingly, BOLD signals in the dorsomedial prefrontal cortex (dmPFC) showed polar opposite responses to the 2 sources of uncertainty, with the strongest response to ambiguous tallies of evidence (high mean uncertainty) and to homogenous arrays (low variance uncertainty). These findings present a challenge for models that emphasize the role of the dmPFC in detecting conflict, errors, or surprise. We suggest an alternative explanation, whereby evidence is processed with increased gain near the category boundary.

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(1)146 to	(14)4 proteins	(27)3 time	(40)2 following
(2)32 null	(15)4 rates	(28)3 times	(41)2 from
(3)31 and	(16)4 that	(29)3 which	(42)2 including
(4)22 of	(17)4 the	(30)2 (ABR)	(43)2 latency
(5)21 rate	(18)3 at	(31)2 (DDR)	(44)2 mediated
(6)14 was	(19)3 during	(32)2 (UPR)	(45)2 or
(7)13 in	(20)3 elements	(33)2 after	(46)2 rate)
(8)8 selection	(21)3 models	(34)2 are	(47)2 rates,
(9)7 surface	(22)3 options	(35)2 boundaries	(48)2 such
(10)6 data	(23)3 properties	(36)2 delays	(49)2 theory
(11)6 is	(24)3 strategies	(37)2 effects	(50)2 validity
(12)4 for	(25)3 style	(38)2 element	(51)2 were
(13)4 patterns	(26)3 suppression	(39)2 evaluation

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--- WordNet output for response --- =>反応, 応答, 返答, 返報, 反響, 答唱句 Overview of noun response The noun response has 7 senses (first 5 from tagged texts) 1. (11) response -- (a result; "this situation developed in response to events in Africa") 2. (11) reaction, response -- (a bodily process occurring due to the effect of some antecedent stimulus or agent; "a bad reaction to the medicine"; "his responses have slowed with age") 3. (6) answer, reply, response -- (a statement (either spoken or written) that is made to reply to a question or request or criticism or accusation; "I waited several days for his answer"; "he wrote replies to several of his critics") 4. (4) reception, response -- (the manner in which something is greeted; "she did not expect the cold reception she received from her superiors") 5. (1) response -- (a phrase recited or sung by the congregation following a versicle by the priest or minister) 6. reply, response -- (the speech act of continuing a conversational exchange; "he growled his reply") 7. response -- (the manner in which an electrical or mechanical device responds to an input signal or a range of input signals) --- WordNet end ---