کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
4323239 1291761 2007 13 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Sequential Use of Mushroom Body Neuron Subsets during Drosophila Odor Memory Processing
کلمات کلیدی
موضوعات مرتبط
علوم زیستی و بیوفناوری علم عصب شناسی علوم اعصاب سلولی و مولکولی
پیش نمایش صفحه اول مقاله
Sequential Use of Mushroom Body Neuron Subsets during Drosophila Odor Memory Processing
چکیده انگلیسی

SummaryDrosophila mushroom bodies (MB) are bilaterally symmetric multilobed brain structures required for olfactory memory. Previous studies suggested that neurotransmission from MB neurons is only required for memory retrieval. Our unexpected observation that Dorsal Paired Medial (DPM) neurons, which project only to MB neurons, are required during memory storage but not during acquisition or retrieval, led us to revisit the role of MB neurons in memory processing. We show that neurotransmission from the α′β′ subset of MB neurons is required to acquire and stabilize aversive and appetitive odor memory, but is dispensable during memory retrieval. In contrast, neurotransmission from MB αβ neurons is only required for memory retrieval. These data suggest a dynamic requirement for the different subsets of MB neurons in memory and are consistent with the notion that recurrent activity in an MB α′β′ neuron-DPM neuron loop is required to stabilize memories formed in the MB αβ neurons.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: - Volume 53, Issue 1, 4 January 2007, Pages 103–115
نویسندگان
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