After generation in the TRN , spindles are sustained .
After generation in the TRN , spindles are relayed to the cortex by a thalamo - thalamic and thalamo - cortical feedback loops regulated by both GABAergic and NMDA - receptor mediated glutamatergic neurotransmission .
After generation in the TRN , spindles are sustained and relayed to the cortex by a thalamo - thalamic and thalamo - cortical feedback loops regulated by both GABAergic and NMDA - receptor mediated glutamatergic neurotransmission .