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Attentional engagement (Anterior Cingulate (brain region linked to…
Attentional engagement
Linnell et al., 2013
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remote peoples do not appear to have increased WM capacity or decreased perceptual capacity but do show enhanced executive control until they move to town
Posners attentional networks: three main attentional networks that constitute the basis for consciousness "attentional organs". 1. executive control network. 2. alerting network (and attentional engagement. 3. orienting network
Fan et al., 2002 (alongside other literature): convergant data supporting network
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ANT
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difference between absolute RTs in presence and absence or alerting temporal cues used to asses alerting function
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alertness/arousal
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PTSD linked to elevated arousal (Aston-Jones et al., 2005)
LC-NE (Aston-Jones et al.,)
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AJ et al., (2005):LC-NE phasic activity linked to P3 ERP component
Nieuwenhuis et al., (2005): refractory period in LC-NE phasic activity linked to AB
Anterior Cingulate
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Stuss et al., (1995): link cingulate areas to concentrating
Posner et al., argue the ANT alerting measure indexes ACC activity
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Hobson et al., (2014) ACC thought to mediate affective and motivational effects on control
Inzlicht et al., (2015) control as an emotional process
LC-NE activity and pupillometry: Gilzenrat et al., (2010)
representation for attentional engagement or control state and activity in the LC-NE system is pupil diameter
increasing task utility and engagement (exploitation) associated with reduced baseline pupil diamtere and increased task evoked pupil dilation
decreasing task utility and disengagement (exploration) associated with increased baseline pupil diameter and decreased task evoked pupil dilation
reasoning about executive control functions: performance on executive function test should not be interpreted solely in terms of capacity (eg WM capacity)
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