Evaluation of object-based attention in mice

Tursun Alkam, Masayuki Hiramatsu, Takayoshi Mamiya, Yuki Aoyama, Atsumi Nitta, Kiyofumi Yamada, Hyoung Chun Kim, Toshitaka Nabeshima

Research output: Contribution to journalArticle

24 Citations (Scopus)

Abstract

The deficits of attention result in significant impairment in daily life, and pharmacological intervention to improve attention is the most effective treatment in clinics. However, methods which are suitable for the large scale preclinical screening of attention-improving compounds or drugs are few in the field. In this study, we have developed object-based attention task as a simple and wherever-practical method that suitable for quick drug screening in mice. Treatment with p-chlorophenylalanine (pCPA) (200. mg/kg/day, i.p.) for three consecutive days reduced the prefrontal cortical content of serotonin and dopamine, and increased turn-over of dopamine while decreasing turn-over of norepinephrine in the prefrontal cortex on day 7. Auditory attention and working memory, but not long-term object memory after a long (10. min) object (two objects)-exposure period, were impaired on day 7 after the same treatment paradigm with pCPA. Novel object recognition ability immediately (<10. s) after a short (3. min) object (on two objects)-exposure period was not impaired after pCPA treatment. However, novel object recognition ability immediately (<10. s) after a short (3. min), but not long (6. min), object (five objects)-exposure period was impaired after pCPA treatment. For the verification, the current task, the object-based attention task, was confirmed in an attention deficit model induced by acute phencyclidine (1. mg/kg, i.p.) treatment in mice. It was implied that the object-based attention task would assist the behavioral screening process of pharmacological studies on attention-improving drugs.

Original languageEnglish
Pages (from-to)185-193
Number of pages9
JournalBehavioural Brain Research
Volume220
Issue number1
DOIs
Publication statusPublished - 20-06-2011
Externally publishedYes

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Fenclonine
Aptitude
Dopamine
Therapeutics
Phencyclidine
Preclinical Drug Evaluations
Long-Term Memory
Prefrontal Cortex
Short-Term Memory
Pharmaceutical Preparations
Serotonin
Norepinephrine
Pharmacology
Recognition (Psychology)

All Science Journal Classification (ASJC) codes

  • Behavioral Neuroscience

Cite this

Alkam, T., Hiramatsu, M., Mamiya, T., Aoyama, Y., Nitta, A., Yamada, K., ... Nabeshima, T. (2011). Evaluation of object-based attention in mice. Behavioural Brain Research, 220(1), 185-193. https://doi.org/10.1016/j.bbr.2011.01.039
Alkam, Tursun ; Hiramatsu, Masayuki ; Mamiya, Takayoshi ; Aoyama, Yuki ; Nitta, Atsumi ; Yamada, Kiyofumi ; Kim, Hyoung Chun ; Nabeshima, Toshitaka. / Evaluation of object-based attention in mice. In: Behavioural Brain Research. 2011 ; Vol. 220, No. 1. pp. 185-193.
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Alkam, T, Hiramatsu, M, Mamiya, T, Aoyama, Y, Nitta, A, Yamada, K, Kim, HC & Nabeshima, T 2011, 'Evaluation of object-based attention in mice', Behavioural Brain Research, vol. 220, no. 1, pp. 185-193. https://doi.org/10.1016/j.bbr.2011.01.039

Evaluation of object-based attention in mice. / Alkam, Tursun; Hiramatsu, Masayuki; Mamiya, Takayoshi; Aoyama, Yuki; Nitta, Atsumi; Yamada, Kiyofumi; Kim, Hyoung Chun; Nabeshima, Toshitaka.

In: Behavioural Brain Research, Vol. 220, No. 1, 20.06.2011, p. 185-193.

Research output: Contribution to journalArticle

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Alkam T, Hiramatsu M, Mamiya T, Aoyama Y, Nitta A, Yamada K et al. Evaluation of object-based attention in mice. Behavioural Brain Research. 2011 Jun 20;220(1):185-193. https://doi.org/10.1016/j.bbr.2011.01.039