Nigrotectal Stimulation Stops Interval Timing in Mice

Koji Toda, Nicholas A. Lusk, Glenn D.R. Watson, Namsoo Kim, Dongye Lu, Haofang E. Li, Warren H. Meck, Henry H. Yin

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

Considerable evidence implicates the basal ganglia in interval timing, yet the underlying mechanisms remain poorly understood. Using a novel behavioral task, we demonstrate that head-fixed mice can be trained to show the key features of timing behavior within a few sessions. Single-trial analysis of licking behavior reveals stepping dynamics with variable onset times, which is responsible for the canonical Gaussian distribution of timing behavior. Moreover, the duration of licking bouts decreased as mice became sated, showing a strong motivational modulation of licking bout initiation and termination. Using optogenetics, we examined the role of the basal ganglia output in interval timing. We stimulated a pathway important for licking behavior, the GABAergic output projections from the substantia nigra pars reticulata to the deep layers of the superior colliculus. We found that stimulation of this pathway not only cancelled licking but also delayed the initiation of anticipatory licking for the next interval in a frequency-dependent manner. By combining quantitative behavioral analysis with optogenetics in the head-fixed setup, we established a new approach for studying the neural basis of interval timing. Toda et al. design a novel paradigm to study interval timing in mice. Using optogenetic manipulations, the authors show that activation of the nigrotectal pathway not only suppresses ongoing behavior but also delays timing of future behavior. These results suggest that disrupting basal ganglia output can stop central networks underlying timing.

Original languageEnglish
Pages (from-to)3763-3770.e3
JournalCurrent Biology
Volume27
Issue number24
DOIs
Publication statusPublished - 2017 Dec 18
Externally publishedYes

Fingerprint

Gaussian distribution
Chemical activation
Optogenetics
Modulation
mice
Basal Ganglia
Head
Superior Colliculi
Normal Distribution
duration
optogenetics

Keywords

  • basal ganglia
  • interval timing
  • licking
  • optogenetics
  • orofacial movement
  • substantia nigra pars reticulata
  • superior colliculus

ASJC Scopus subject areas

  • Biochemistry, Genetics and Molecular Biology(all)
  • Agricultural and Biological Sciences(all)

Cite this

Toda, K., Lusk, N. A., Watson, G. D. R., Kim, N., Lu, D., Li, H. E., ... Yin, H. H. (2017). Nigrotectal Stimulation Stops Interval Timing in Mice. Current Biology, 27(24), 3763-3770.e3. https://doi.org/10.1016/j.cub.2017.11.003

Nigrotectal Stimulation Stops Interval Timing in Mice. / Toda, Koji; Lusk, Nicholas A.; Watson, Glenn D.R.; Kim, Namsoo; Lu, Dongye; Li, Haofang E.; Meck, Warren H.; Yin, Henry H.

In: Current Biology, Vol. 27, No. 24, 18.12.2017, p. 3763-3770.e3.

Research output: Contribution to journalArticle

Toda, K, Lusk, NA, Watson, GDR, Kim, N, Lu, D, Li, HE, Meck, WH & Yin, HH 2017, 'Nigrotectal Stimulation Stops Interval Timing in Mice', Current Biology, vol. 27, no. 24, pp. 3763-3770.e3. https://doi.org/10.1016/j.cub.2017.11.003
Toda K, Lusk NA, Watson GDR, Kim N, Lu D, Li HE et al. Nigrotectal Stimulation Stops Interval Timing in Mice. Current Biology. 2017 Dec 18;27(24):3763-3770.e3. https://doi.org/10.1016/j.cub.2017.11.003
Toda, Koji ; Lusk, Nicholas A. ; Watson, Glenn D.R. ; Kim, Namsoo ; Lu, Dongye ; Li, Haofang E. ; Meck, Warren H. ; Yin, Henry H. / Nigrotectal Stimulation Stops Interval Timing in Mice. In: Current Biology. 2017 ; Vol. 27, No. 24. pp. 3763-3770.e3.
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