Topic: dorsal lateral geniculate nucleus

Animals can find important objects automatically and choose proper actions quickly as they repeatedly experience the same situations. Recent studies have suggested that the posterior part of the striatum (pStr) which is innervated from various sensory areas is involved in finding familiar objects automatically and quickly. The next question to be answered is how pStr neurons change their activities and contribute to finding objects quickly through learning in interaction with other regions. In this study, we focused on visual processing and approached the above question by examining the intera

The dorsal lateral geniculate nucleus (dLGN) has long been held to act as a basic relay for visual information travelling from the retina to cortical areas, but recent findings suggest a largely underestimated functional plasticity of dLGN neurons. However, the cellular mechanisms supporting this functional plasticity have not been yet explored. In particular, it remains to elucidate whether intrinsic neuronal excitability change upon visual stimuli. We show here that monocular deprivation for 10 days reduces the intrinsic excitability of dorsal LGN relay cells. Furthermore, dLGN neurons exhib

Amblyopia arises from neuronal adaptation due to abnormal experience of one eye during a critical period of visual development. The molecular mechanisms underlying amblyopia are not characterized. To investigate this process, we used the monocular deprivation experimental paradigm in young rats to induce plasticity of neuronal excitability in dorsal lateral geniculate nucleus (dLGN) neurons (Duménieu et al., BioRxiv 2023). Employing a proteomic approach, we identified activity-dependent dynamic change in the components of dLGN neurons. By microdissection we isolated deprived and spared regions