[Verse 1] When Llinás and Paré first mapped the sleeping mind They found the thalamus conducting rhythm and rhyme Forty hertz oscillations sweep across the brain While spindle waves and delta keep us locked in dream domain The relay nuclei filter every signal through While reticular neurons decide what gets to you [Chorus] Thalamic gateway, cortical relay First-order drivers bring the sensory display Higher-order circuits amplify the thought Matrix cells and core cells, cognitive network caught Sherman's framework shows us how the pathways flow From perception to cognition, watch the current grow [Verse 2] Sherman and Guillery wrote the bible of the gate Distinguished Class One drivers from modulators' fate Convergent and divergent, synaptic strength reveals Which neurons drive the message and which pathway steers the wheels Layer six sends feedback while layer five projects ahead A loop between thalamus and cortex keeps thoughts fed [Chorus] Thalamic gateway, cortical relay First-order drivers bring the sensory display Higher-order circuits amplify the thought Matrix cells and core cells, cognitive network caught Sherman's framework shows us how the pathways flow From perception to cognition, watch the current grow [Verse 3] Halassa Sherman's motifs show the circuit's elegant design Transthalamic highways where attention can align Pulvinar amplifies the spotlight of the mind While mediodorsal loops keep working memory refined The matrix broadcasts widely while the core stays precise Two systems interwoven like fire and ice [Bridge] Schmitt discovered amplification in the thalamic maze How cognition gets boosted through the circuit's hidden ways Not just a simple relay but a cognitive enhancer Transforming raw sensation into thought's true answer [Verse 4] From lateral geniculate to visual cortex streams Through ventral posterior touch creates our tactile dreams The intralaminar nuclei keep consciousness awake While calbindin markers show which pathways overtake Each nucleus specialized for different kinds of flow The thalamus orchestrates the neural light show [Chorus] Thalamic gateway, cortical relay First-order drivers bring the sensory display Higher-order circuits amplify the thought Matrix cells and core cells, cognitive network caught Sherman's framework shows us how the pathways flow From perception to cognition, watch the current grow [Outro] In the depths between the cortex lies the conductor's throne Orchestrating consciousness through circuits we now own
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