Tanaka, A. Intergenerational cultural transmission through songs and dances among the Baka hunter-gatherers in Cameroon. Poster presentation at Transmission and Learning: How Do Children Engage in Ritualised Daily Practices and Rituals?, Belgium. November 17-18. 2025

Tanaka, A. Singing caregiving behavior among central African hunter-gatherers. Oral presentation at the panel Reuniting Body, Mind, and Environment: An Anthropological Take on Children’s Total Health, World Anthropological Union (WAU) Congress, Guatemala. November 3-8. 2025

Hattori, K., Miyauchi, S., & Hashiya, K. (2026, Jan. 15-17). Strategies to encode environmental sounds into language with developmental change. BCCCD26 Budapest CEU Conference on Cognitive Development, Budapest.

Hashiya, K., & Kojima, F. (2024, Jan. 4-6). Development of Distribution Behavior: 5 to 8 Year Olds Do Not Consider the Recipient's Consumption History, While Adults Do. BCCCD24 Budapest CEU Conference on Cognitive Development, Budapest.

Kishimoto, R., & Hashiya, K. (2023, Jan). Reference assignment is dependent on temporal proximity and rarity bias. BCCCD23 Budapest CEU Conference on Cognitive Development, Budapest.

Imai, M., Murai. C., Ohba, M., Hidaka, S., Okada, H., & Hashiya, K. (2022, Jul, 27-30). The contingency symmetry bias as a foundation of word learning: Evidence from 8-mont-olds in a matching-to-sample task. The 44th Annual Meeting of the Cognitive Science Society, Toronto, Canada.

Nitta, H., & Hashiya, K. (2020, Jan.). Development of self-face representation in 12-month-old infants: A study with the preferential looking paradigm using the morphing technique. 2020 Budapest CEU Conference on Cognitive Development, Budapest, Hungary.

Hashiya, K., Kobayashi, H., Uto, Y., Yamate, A., Hakarino, K., Tojo, T., & Hasegawa, T. (2019, Jan. ). Speaker identification based on epistemic reasoning in children with/without ASD: a test with the “knowledge-based ventriloquism illusion” task. BCCCD19 Budapest CEU Conference on Cognitive Development, Budapest.

Hashiya, K. (2018, Aug.). Reading mind / assuming mind in human communication: a developmental　perspective. Symposium "Intention Sharing and Language Evolution"("Evolinguistics 2018"), The University of Tokyo, Tokyo.

Nitta, H., & Hashiya, K. (2018, Jul. 15-19). Discrimination between one’s own face and self resemble face in infancy. 25th Biennial Meeting of the International Society for the Study of Behavioral Development, Queensland.

Hashiya, K., Kobayashi, H., Maeyama, K., Nitta, H., Hakarino, K., Tojo, T.,  & Hasegawa, T. (2018, Jan.). Nuances of "we": the effect of utterance contexts on the distribution task performances in children with/without ASD. 2017 Budapest CEU Conference on Cognitive Development, Budapest.

Nitta, H., & Hashiya, K. (2018, Jun. 30 - Jul. 3). Discrimination between morphed face and novel face in infancy. 21st ICIS Biennial Congress, Philadelphia, the United States.