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However, there was a slowing of the process of shifting attention in these patients, suggesting that the mid-brain and cortical areas must be associated with covert attention shifts. Additionally, previous research has shown support for covert attention shifts being associated with activity in the parietal lobe. On the other hand, research ...
This task-switching model assumes the role of executive control. If the cue repeats, the executive does nothing, and the target is processed in accordance with the task set from the previous trial. If the cue alternates, the executive switches tasks before processing the target. Switching takes time and creates a switch cost.
In therapy: In therapy (as in the work of Steven Hayes and associates), a client is taught first to identify and accept a negative thought or attitude, and then to allow the cognitive shifting process to re-direct attention away from the negative fixation, toward a chosen aim or goal that is more positive—thus the "accept and choose act" from ...
The salience network is theorized to mediate switching between the default mode network and central executive network. [1] [2]The salience network (SN), also known anatomically as the midcingulo-insular network (M-CIN) or ventral attention network, is a large scale network of the human brain that is primarily composed of the anterior insula (AI) and dorsal anterior cingulate cortex (dACC).
Specifically, research on attentional capture has two modes: voluntary and reflexive. The voluntary mode is a top down approach where attention is shifted according to high-level cognitive processes. The reflexive mode is a bottom up approach where attention shifts involuntarily based on a stimulus's attention attracting properties. [40]
These plaques block communication between cells and can cause inflammation, which damages the brain over time. Tau is a protein that usually helps support the internal structure of brain cells.
The premotor theory of attention is a theory in cognitive neuroscience proposing that when attention is shifted, the brain engages a motor plan to move to engage with that focus. [1] One line of evidence for this theory comes from neurophysiological recordings in the frontal eye fields and superior colliculus.
Compared to those who remained cognitively healthy, people who eventually developed the mind-robbing disease had higher levels of an Alzheimer's-linked protein in their spinal fluid 18 years prior ...