Cerebellar hallmarks of conditioned preference for cocaine

Maria Carbo-Gas, Dolores Vazquez-Sanroman, Isis Gil-Miravet, Joan De las Heras-Chanes, Genaro A. Coria-Avila, Jorge Manzo, Carla Sanchis-Segura, Marta Miquel

Research output: Contribution to journalArticle

11 Citations (Scopus)

Abstract

Pavlovian conditioning tunes the motivational drive of drug-associated stimuli, fostering the probability of those environmental stimuli to promote and trigger drug seeking and taking. Interestingly, different areas in the cerebellum are involved in the formation and long-lasting storage of Pavlovian emotional memory. Very recently, we have shown that conditioned preference for an odour associated with cocaine was directly correlated with cFOS expression in cells at the dorsal region of the granule cell layer of the cerebellar vermis. The main goal of the current investigation was to further extend the description of cFOS-IR patterns in cerebellar circuitry after training mice in a cocaine-odour Pavlovian conditioning procedure, including now the major inputs (the inferior olive and pontine nuclei) and one of the output nuclei (the medial deep nucleus) of the cerebellum. The results showed that the cerebellar hallmark of preference towards an odour cue associated to cocaine is an increase in cFOS expression in the dorsal part of the granule cell layer. cFOS-IR levels expressed in the granule cell layer of mice that did not show cocaine conditioned preference did not differ from the basal levels. Remarkably, mice subjected to a random cocaine-odour pairing procedure (the unpaired group) exhibited higher cFOS-IR in the inferior olive, the pontine nuclei and in the deep medial nucleus. Therefore, our findings suggest that inputs and the output of cerebellar circuitry are enhanced when contingency between the CS. + and cocaine is lacking.

Original languageEnglish
Pages (from-to)24-35
Number of pages12
JournalPhysiology and Behavior
Volume132
DOIs
StatePublished - 10 Jun 2014

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Cocaine
Cerebellum
Foster Home Care
Pharmaceutical Preparations
Cues
Odorants

Keywords

  • CFOS
  • Cerebellum
  • Cocaine
  • Mice
  • Pavlovian conditioning

Cite this

Carbo-Gas, M., Vazquez-Sanroman, D., Gil-Miravet, I., De las Heras-Chanes, J., Coria-Avila, G. A., Manzo, J., ... Miquel, M. (2014). Cerebellar hallmarks of conditioned preference for cocaine. Physiology and Behavior, 132, 24-35. https://doi.org/10.1016/j.physbeh.2014.04.044
Carbo-Gas, Maria ; Vazquez-Sanroman, Dolores ; Gil-Miravet, Isis ; De las Heras-Chanes, Joan ; Coria-Avila, Genaro A. ; Manzo, Jorge ; Sanchis-Segura, Carla ; Miquel, Marta. / Cerebellar hallmarks of conditioned preference for cocaine. In: Physiology and Behavior. 2014 ; Vol. 132. pp. 24-35.
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Carbo-Gas, M, Vazquez-Sanroman, D, Gil-Miravet, I, De las Heras-Chanes, J, Coria-Avila, GA, Manzo, J, Sanchis-Segura, C & Miquel, M 2014, 'Cerebellar hallmarks of conditioned preference for cocaine', Physiology and Behavior, vol. 132, pp. 24-35. https://doi.org/10.1016/j.physbeh.2014.04.044

Cerebellar hallmarks of conditioned preference for cocaine. / Carbo-Gas, Maria; Vazquez-Sanroman, Dolores; Gil-Miravet, Isis; De las Heras-Chanes, Joan; Coria-Avila, Genaro A.; Manzo, Jorge; Sanchis-Segura, Carla; Miquel, Marta.

In: Physiology and Behavior, Vol. 132, 10.06.2014, p. 24-35.

Research output: Contribution to journalArticle

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T1 - Cerebellar hallmarks of conditioned preference for cocaine

AU - Carbo-Gas, Maria

AU - Vazquez-Sanroman, Dolores

AU - Gil-Miravet, Isis

AU - De las Heras-Chanes, Joan

AU - Coria-Avila, Genaro A.

AU - Manzo, Jorge

AU - Sanchis-Segura, Carla

AU - Miquel, Marta

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Carbo-Gas M, Vazquez-Sanroman D, Gil-Miravet I, De las Heras-Chanes J, Coria-Avila GA, Manzo J et al. Cerebellar hallmarks of conditioned preference for cocaine. Physiology and Behavior. 2014 Jun 10;132:24-35. https://doi.org/10.1016/j.physbeh.2014.04.044