ट्रीसमैन के क्षीणन मॉडल (Attenuation Model) के अनुसार विश्लेषकों के पदानुक्रम (Hierarchy of Analyzers) के भीतर सही प्रसंस्करण अनुक्रम का प्रतिनिधित्व करने के लिए सूची-I को सूची-II के साथ सुमेलित कीजिए: सूची-I (क्रमिक चरण): A. प्रथम चरण B. द्वितीय चरण C. तृतीय चरण D. चतुर्थ चरण सूची-II (विश्लेषण का स्तर): I. अर्थविज्ञान (Semantics) II. व्याकरण (Grammar) III. अक्षर/शब्दांश (Syllables) IV. शब्द (Words)

Given below are two statements: Statement I: Broadbent's Filter Model of attention is considered an 'Early Selection' model because it suggests that filtering occurs based on physical characteristics before semantic processing. Statement II: Treisman's Attenuation Theory proposes that unattended stimuli are not completely blocked but are instead 'turned down' or weakened. In light of the above statements, choose the correct answer from the options given below:

Exogenous attention, which is driven by external stimuli, primarily relies on neural circuits located in the ______.