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It is widely accepted that different number-related tasks, including solving simple addition and subtraction, may induce attentional shifts on the so-called mental number line, which represents larger numbers on the right and smaller numbers on the left. Recently, it has been shown that different number-related tasks also employ spatial attention shifts along with general cognitive processes. Here we investigated for the first time whether number line estimation and complex mental arithmetic recruit a common mechanism in healthy adults. Participants’ performance in two-digit mental additions and subtractions using visual stimuli was compared with their performance in a mental bisection task using auditory numerical intervals. Results showed significant correlations between participants’ performance in number line bisection and that in two-digit mental arithmetic operations, especially in additions, providing a first proof of a shared cognitive mechanism (or multiple shared cognitive mechanisms) between auditory number bisection and complex mental calculation. 相似文献
183.
Ruan Spies Olivia K. Derks Paula S. Sterkenburg Carlo Schuengel Esme van Rensburg 《Journal of Psychology in Africa》2016,26(1):56-62
This study explored types and nature of supports by relatives of mothers living with HIV and psychosis in comparison to mothers with HIV only. Interview data on their experiences of their roles, needs and challenges were collected from 33 relatives on mothers with HIV and psychosis (n=12, females=10, blacks =12, age ranges 21 to 62) and those with HIV only (n=21, females=16, blacks =21, age ranges 18 to 63). The data were thematically analysed utilizing Atlas.ti. The results showed that relatives in both groups provided a variety of supporting roles. Important challenges were experiencing the negative consequences of especially HIV in combination with psychosis in their lives and dealing with the caregiving responsibilities without having enough information. Important strengths included utilizing support networks and remaining hopeful. Support needs for carers of mothers living with HIV related psychosis or HIV only, can be enhanced with increasing social and material resources at the community level. Supporting needs can be addressed by empowering communities through psycho-education. 相似文献
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Few studies have analysed newborns’ crying behaviour in relation to the communicative context. In the present study, duration, latency and dysphony of newborns’ cry were analysed in three different communicative conditions: absent, continuous and discontinuous tactile communication. Thirty newborns were randomly assigned to three tactile communicative procedures. Subsequently they were presented with two visual stimuli, face (social-stimulus) and square (non-social-stimulus). The study showed that newborns cried only during visual stimuli presentation both in absent and continuous communication conditions. Newborns with absent communication cried more, with shorter latency and more dysphony than newborns with continuous communication. No significant differences were found in duration, latency and dysphony of newborns’ cry between the two stimuli. Newborns in the discontinuous communicative condition did not cry either during tactile communication or during visual stimuli presentation. Different communicative contexts affected the newborns’ crying behaviour during stimuli presentation. Different interpretations are discussed here in order to explain the results. 相似文献
186.
Buhlmann I Umiltà C Wascher E 《Journal of experimental psychology. Human perception and performance》2007,33(6):1269-1282
Manual responses can be defined by differing response parameters. Any of them may generate a Simon effect. For all those response parameters, the same implementation of the Simon effect (in terms of subserving mechanism) is assumed. In 3 experiments, subjects had to respond with either fingers or sticks. Temporal properties of the Simon effect changed with response parameters relevant in a task. The Simon effect for manual responses decayed. For stick responses, in which the action goal differed from the anatomical mapping of the acting hand, a sustained Simon effect was observed. However, if the action goal for stick responses was not instrumental for selecting the correct response, the Simon effect decayed. The findings are consistent with the notion of different mechanisms involved in generating a Simon effect. 相似文献
187.
Numerous studies found superior performance when the irrelevant location of a stimulus and response location were corresponding
than when they were not corresponding (Simon effect), suggesting that stimulus location is processed in an obligatory manner.
The present study compared Simon effects from the location of a relevant (i.e., to-be-attended) object to those from the location
of an irrelevant (i.e., to-be-ignored) object. In four experiments, participants were presented with a rectangular frame and
a square, with the relevant object in green or red color and the irrelevant object in gray or white color. Participants’ task
was to respond with a lateral keypress to the color of the relevant object, and we varied spatial correspondence between the
location of the relevant or the irrelevant object and the response, respectively. Results consistently showed larger Simon
effects from the location of the relevant than from the irrelevant object, even when the irrelevant object was made very salient.
These results suggest that location processing is largely confined to relevant (i.e., attended) objects, stressing the role
of attention shifts for location encoding. 相似文献
188.
de Haan Edward H. F. Corballis Paul M. Hillyard Steven A. Marzi Carlo A. Seth Anil Lamme Victor A. F. Volz Lukas Fabri Mara Schechter Elizabeth Bayne Tim Corballis Michael Pinto Yair 《Neuropsychology review》2020,30(2):224-233
Neuropsychology Review - Recently, the discussion regarding the consequences of cutting the corpus callosum (“split-brain”) has regained momentum (Corballis, Corballis, Berlucchi,... 相似文献
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