Temporal order judgment of multisensory stimuli in rat and human

被引:3
|
作者
Mafi, Fatemeh [1 ,2 ]
Tang, Matthew F. [3 ]
Afarinesh, Mohammad Reza [1 ,2 ]
Ghasemian, Sadegh [1 ,2 ]
Sheibani, Vahid [1 ,2 ]
Arabzadeh, Ehsan [1 ,2 ,3 ]
机构
[1] Kerman Univ Med Sci, Inst Neuropharmacol, Neurosci Res Ctr, Kerman, Iran
[2] Kerman Univ Med Sci, Inst Neuropharmacol, Cognit Neurosci Res Ctr, Kerman, Iran
[3] Australian Natl Univ, Eccles Inst Neurosci, John Curtin Sch Med Res, Canberra, ACT, Australia
来源
关键词
audiovisual; temporal order judgment; temporal precision; temporal sensitivity; speed-accuracy; DECISION-MAKING; REACTION-TIMES; SPEED; ACCURACY; INTEGRATION; CHOICE; DISCRIMINATION; SIMULTANEITY; RECALIBRATION; HYPERACUITY;
D O I
10.3389/fnbeh.2022.1070452
中图分类号
B84 [心理学]; C [社会科学总论]; Q98 [人类学];
学科分类号
03 ; 0303 ; 030303 ; 04 ; 0402 ;
摘要
We do not fully understand the resolution at which temporal information is processed by different species. Here we employed a temporal order judgment (TOJ) task in rats and humans to test the temporal precision with which these species can detect the order of presentation of simple stimuli across two modalities of vision and audition. Both species reported the order of audiovisual stimuli when they were presented from a central location at a range of stimulus onset asynchronies (SOA)s. While both species could reliably distinguish the temporal order of stimuli based on their sensory content (i.e., the modality label), rats outperformed humans at short SOAs (less than 100 ms) whereas humans outperformed rats at long SOAs (greater than 100 ms). Moreover, rats produced faster responses compared to humans. The reaction time data further revealed key differences in decision process across the two species: at longer SOAs, reaction times increased in rats but decreased in humans. Finally, drift-diffusion modeling allowed us to isolate the contribution of various parameters including evidence accumulation rates, lapse and bias to the sensory decision. Consistent with the psychophysical findings, the model revealed higher temporal sensitivity and a higher lapse rate in rats compared to humans. These findings suggest that these species applied different strategies for making perceptual decisions in the context of a multimodal TOJ task.
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页数:15
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