Memory consolidation theory suggests that once memory formation has been completed, memory is mai... more Memory consolidation theory suggests that once memory formation has been completed, memory is maintained at a stable strength and is incapable of further enhancement. However, the current study reveals that even long after formation, contextual fear memory could be further enhanced. Such unexpected enhancement is possible because memory is dynamically maintained at an intermediate level that allows for bidirectional regulation. Here we find that both Rac1 activation and expression of α2-chimaerin are stimulated by single-trial contextual fear conditioning. Such sustained Rac1 activity mediates reversible forgetting, and α2-chimaerin acts as a memory molecule that reverses forgetting to sustain memory through inhibition of Rac1 activity during the maintenance stage. Therefore, the balance between activated Rac1 and expressed α2-chimaerin defines dynamic long-term memory maintenance. Our findings demonstrate that consolidated memory maintains capacity for bidirectional regulation.
Jurnal Pendidikan Bahasa Jepang Undiksha, Feb 28, 2019
Penelitian ini bertujuan untuk menganalisis persepsi siswa terhadap keterampilan dasar mengajar g... more Penelitian ini bertujuan untuk menganalisis persepsi siswa terhadap keterampilan dasar mengajar guru bahasa Jepang di SMA Negeri 1 Seririt. Subjek penelitian ini adalah seluruh siswa kelas bahasa di SMA Negeri 1 Seririt. Metode pengumpulan data yang digunakan adalah metode kuesioner dan wawancara. Data kuesioner akan dianalisis menggunakan teknik analisis kuantitatif, sedangkan wawancara dianalisis dengan teknik analisis kualitatif. Hasil penelitian menunjukkan bahwa dari 204 siswa, 63,23% siswa mempersepsikan guru bahasa Jepang sangat baik dan 36,77% siswa mempersepsikan guru bahasa Jepang baik. Secara umum persepsi siswa terhadap keterampilan dasar guru bahasa Jepang termasuk ke dalam kategori sangat baik dengan rata-rata hitung yang diperoleh 3,35.
Memory consolidation theory suggests that once memory formation has been completed, memory is mai... more Memory consolidation theory suggests that once memory formation has been completed, memory is maintained at a stable strength and is incapable of further enhancement. However, the current study reveals that even long after formation, contextual fear memory could be further enhanced. Such unexpected enhancement is possible because memory is dynamically maintained at an intermediate level that allows for bidirectional regulation. Here we find that both Rac1 activation and expression of α2-chimaerin are stimulated by single-trial contextual fear conditioning. Such sustained Rac1 activity mediates reversible forgetting, and α2-chimaerin acts as a memory molecule that reverses forgetting to sustain memory through inhibition of Rac1 activity during the maintenance stage. Therefore, the balance between activated Rac1 and expressed α2-chimaerin defines dynamic long-term memory maintenance. Our findings demonstrate that consolidated memory maintains capacity for bidirectional regulation.
Jurnal Pendidikan Bahasa Jepang Undiksha, Feb 28, 2019
Penelitian ini bertujuan untuk menganalisis persepsi siswa terhadap keterampilan dasar mengajar g... more Penelitian ini bertujuan untuk menganalisis persepsi siswa terhadap keterampilan dasar mengajar guru bahasa Jepang di SMA Negeri 1 Seririt. Subjek penelitian ini adalah seluruh siswa kelas bahasa di SMA Negeri 1 Seririt. Metode pengumpulan data yang digunakan adalah metode kuesioner dan wawancara. Data kuesioner akan dianalisis menggunakan teknik analisis kuantitatif, sedangkan wawancara dianalisis dengan teknik analisis kualitatif. Hasil penelitian menunjukkan bahwa dari 204 siswa, 63,23% siswa mempersepsikan guru bahasa Jepang sangat baik dan 36,77% siswa mempersepsikan guru bahasa Jepang baik. Secara umum persepsi siswa terhadap keterampilan dasar guru bahasa Jepang termasuk ke dalam kategori sangat baik dengan rata-rata hitung yang diperoleh 3,35.
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