Isolated Left Insular Infarction and Acute Psychosis: A Misleading Clinical Presentation - Neurology & Neuroscience

The insular cortex is a hidden structure located in the Sylvian fissure surrounded by the temporal, frontal, and parietal lobes (Figure 1). It is a complex structure interconnecting various brain regions   [1-3]. The insular lobe  plays multiple roles including visceromotor, viscerosensory and limbic  functions. These roles contribute to control autonomic, gustatory, auditory, volitional swallowing,    and speech and language function as well as somatosensory perception and emotional response   [4-6]. The insula may be implicated in the coordination between internal and external information through emotional subjective awareness and facilitate motor recovery in stroke [7-9].

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