The amygdaloid circuit includes which of the following structures?

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The amygdaloid circuit is an emotional-processing network centered on the amygdala and extending to cortical and subcortical regions that mediate affect, autonomic arousal, and motivated behavior. The structures listed here form a broad amygdala-centered network: amygdala with thalamic nuclei for sensory relay and vigilance, orbitofrontal cortex for evaluating reward and punishment, olfactory piriform cortex for olfactory cues, insula for interoceptive awareness, hypothalamus for autonomic and endocrine responses, limbic striatum for motivation and reward-related action, and Basalis of Meynert providing cholinergic modulation to cortex and limbic areas. This combination reflects how the amygdala interacts with multiple nodes to regulate emotional significance and related behavior. The other options describe different circuits—one aligns with memory-related pathways (Papez circuit), another with the visual pathway, and the last with motor/autonomic brainstem systems—so they do not represent the amygdaloid network.