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      • UT - Anatomy, Phisiology and Pharmacology
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      Tool manipulation to obtain a food reward in lar gibbons (Hylobates lar)

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      Date
      2022
      Author
      Selvam, Kuhan Panneer
      Darusman, Huda Shalahudin
      Satrija, Fadjar
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      Abstract
      Tool manipulation in Hylobates lar has not been well documented in Malaysia. The main aim of this study is to assess whether lar gibbons are capable of manipulating objects to obtain a food reward. We assessed whether lar gibbons can learn to pull on a rake-like object to gain a food reward without specific training. The main task that is to be observed is the pulling of a rake-like rod to obtain a food reward with a time limit of 60 minutes. All the gibbons managed to obtain the reward at least once throughout the five trials. The gibbons are seen using a trial-error approach which proved to be successful in obtaining the reward. Female gibbons were also observed to be more cautious in attending to a new task or object compared to male gibbons. This can be seen when female gibbons made more interactions with tools prior successful trial compared to the male gibbons.
       
      Manipulasi alat di Hylobates lar belum didokumentasikan dengan baik di Malaysia. Tujuan utama dari penelitian ini adalah untuk menilai apakah owa lar mampu memanipulasi objek untuk mendapatkan ganjaran makanan. Kami menilai apakah owa lar dapat belajar menarik benda seperti penggaruk untuk mendapatkan ganjaran makanan tanpa pelatihan khusus. Tugas utama yang harus diamati adalah menarik garu seperti garu untuk mendapatkan ganjaran makanan dengan batas waktu 60 menit. Semua owa berhasil mendapatkan ganjaran setidaknya sekali selama lima percobaan. Owa terlihat menggunakan pendekatan trial-error yang terbukti berhasil mendapatkan ganjaran. Owa betina juga diamati lebih berhati-hati dalam mengerjakan tugas atau objek baru dibandingkan dengan owa jantan. Hal ini terlihat ketika owa betina lebih banyak berinteraksi dengan alat sebelum percobaan berhasil dibandingkan dengan owa jantan.
       
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      http://repository.ipb.ac.id/handle/123456789/112691
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      • UT - Anatomy, Phisiology and Pharmacology [807]

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      Copyright © 2020 Library of IPB University
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      Indonesia DSpace Group 
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