Abstract
Studies suggest a prioritization in the neural processing of looming sounds. A little explored issue is the relationship between this perceptual bias and the orienting and alerting auditory attention networks. The present study investigated the effect of a warning sound on the speed of response to a subsequent target sound (Experiment 1) and a possible influence of this type of cue sound on the auditory orientation of attention (Experiment 2). The results of the two experiments suggest a significant reduction in the reaction time for a subsequent target sound due to the previous presentation (500 ms) of a looming warning sound. There was no significant effect of the cue sound on auditory attention orientation.
Highlights
Estudos sugerem uma priorização no processamento neural de sons em movimento de aproximação
Alertness is commonly assessed by observing the motor response times to targets preceded by a warning signal (Johnston et al, 2019; Posner, 1978; Roberts et al, 2006) and studies suggest that looming sounds are prioritized when compared to receding sounds (Bach et al, 2009; Neuhoff, 2001)
The result of Experiment 1 suggests a prioritization of the action elicited by looming warning sounds (Bach et al, 2009; McCarthy & Olsen, 2017; Neuhoff, 1998, 2016, 2018; Seifritz et al, 2002)
Summary
Estudos sugerem uma priorização no processamento neural de sons em movimento de aproximação. Seifritz et al (2002), in a human study using brain imaging techniques, obtained results that suggest that looming sounds preferentially activate a wide neural network related to attention and motor responses. The human auditory system prioritizes looming sounds, identifying them as a possible imminent threat (Neuhoff, 2016, 2018) This prioritization activates a wide set of subcortical and cortical attention networks, which prepare the body for action (Callejas, Lupiàñez, & Pío Tudela, 2005; Johnston, Hennessey, & Leitão, 2019). This attentive selection of the information can presents particular characteristics in alertness and orientation of the attention, as well as in executive control (Pacheco-Unguetti, Acosta, Marqués, & Lupiáñez, 2011)
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