PSYC 2012 Lecture Notes - Lecture 29: Locus Coeruleus, Temporal Lobe, Error Detection And Correction

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7 Feb 2018
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Reduced size and activity of the dorsolateral prefrontal cortex, which may reflect difficulties in decision making and impulse control. Decreased size or activity of the anterior cingulate cortex, which may be associated with defects in error detection. Decreased size or activity of the dorsomedial prefrontal cortex and locus coeruleus, which may be associated with defects in attention. Decreased size or activity of the basal ganglia, which is involved in motivation as well as inhibition of impulsive motor behavior (hyperactivity) Deceased amygdala size and activity, which could contribute to problems with emotion regulation. Decreased dopamine signaling, which results in decreases in reward pathways that may cause children to seek out new stimuli for greater reward and increase impulsivity. Decreased acetylcholine and norepinephrine signaling, which may decrease attention. Different subtypes of adhd may be associated with larger or smaller changes in one or more. Increased glutamate signaling, which may globally increase arousal throughout the brain of these neurotransmitters.

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