October 2013 MIMM Journal Club
Oct 18, 2013
12:30PM to 3:30PM
1280 Main Street West, Hamilton, Canada
Date/Time
Date(s) - 18/10/2013
12:30 pm - 3:30 pm
Location
McMaster University, Psychology Building, Room 204
Hi everyone,
Our next meeting will be held on Friday, October 18th, 2013, at 12:30 pm in room 204 of the Psychology Building at
McMaster. Fiona Manning will be leading a discussion of the paper “Neural correlates of auditory temporal predictions during sensorimotor synchronization” (Pecenka, Engel & Keller, 2013)[link]. The abstract follows:
Abstract
Musical ensemble performance requires temporally precise interpersonal action coordination. To play in synchrony, ensemble musicians presumably rely on anticipatory mechanisms that enable them to predict the timing of sounds produced by co-performers. Previous studies have shown that individuals differ in their ability to predict upcoming tempo changes in paced finger-tapping tasks (indexed by cross-correlations between tap timing and pacing events) and that the degree of such prediction influences the accuracy of sensorimotor synchronization (SMS) and interpersonal coordination in dyadic tapping tasks. The current functional magnetic resonance imaging study investigated the neural correlates of auditory temporal predictions during SMS in a within-subject design. Hemodynamic responses were recorded from 18 musicians while they tapped in synchrony with auditory sequences containing gradual tempo changes under conditions of varying cognitive load (achieved by a simultaneous visual n-back working-memory task comprising three levels of difficulty: observation only, 1-back, and 2-back object comparisons). Prediction ability during SMS decreased with increasing cognitive load. Results of a parametric analysis revealed that the generation of auditory temporal predictions during SMS recruits (1) a distributed network of cortico-cerebellar motor-related brain areas (left dorsal premotor and motor cortex, right lateral cerebellum, SMA proper and bilateral inferior parietal cortex) and (2) medial cortical areas (medial prefrontal cortex, posterior cingulate cortex). While the first network is presumably involved in basic sensory prediction, sensorimotor integration, motor timing, and temporal adaptation, activation in the second set of areas may be related to higher-level social-cognitive processes elicited during action coordination with auditory signals that resemble music performed by human agents.
Everyone is welcome. For more information on upcoming events visit:
http://mimm.mcmaster.ca
or contact Rayna Friendly: friendr@mcmaster.ca