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λŸ¬μ…€ ν΄λ“œλ ‰ - μŠ΅κ΄€μ˜ μ•Œκ³ λ¦¬μ¦˜

μŠ΅κ΄€μ˜ μ•Œκ³ λ¦¬μ¦˜ 

 

신경망 κ³Όν•™μžκ°€ 생각 μŠ΅κ΄€μ΄λž€?

μ±…μ˜ μ €μžλŠ” μŠ€νƒ ν¬λ“œ λŒ€ν•™μ˜ κ΅μˆ˜μ΄λ‹€.

https://profiles.stanford.edu/russell-poldrack

 

Russell Poldrack's Profile | Stanford Profiles

Bio I grew up in a small town in Texas and attended Baylor University. After completing my PhD in experimental psychology at the University of Illinois in Urbana-Champaign, I spent four years as a postdoc at Stanford. I have held faculty positions at Massa

profiles.stanford.edu

λ‡Œ 과학을 주둜 닀루며 μš°λ¦¬κ°€ μ–΄λ–€ μ‹μœΌλ‘œ 상황을 νŒλ‹¨ν•˜κ³  행동을 ν•˜λŠ”μ§€ μ‹€ν—˜μ„ 톡해 μž…μ¦ν•œλ‹€.

λ‹¨μˆœν•œ μŠ΅κ΄€ μ΄λΌλŠ” 주제의 자기 개발 μ„œμ μ΄ μ•„λ‹˜μ— 정말 μœ μ΅ν•œ 책이닀.

μ‹€ν—˜μ„ ν†΅ν•œ κ·Όκ±°λ₯Ό 기반으둜 μ„€λͺ…을 ν•˜λ©° λΉ„νŒκ³Ό 논리λ₯Ό μž…μ¦ν•˜λŠ”λ° 이해가 μ™μ™λœλ‹€. 

1)

λ˜ν•œ 졜근 κ°•ν™”ν•™μŠ΅μ„ ν•™μŠ΅ 쀑인데 이 μ±…μ—μ„œ 자주 μ–ΈκΈ‰λ˜μ–΄ λ°˜κ°€μ› λ‹€. 

짧게 μ–ΈκΈ‰ν•˜μžλ©΄ Model-basedλŠ” μš°λ¦¬κ°€ κ²½ν—˜ν•œ 상황을 기반으둜 행동을 ν•˜κ³ 

Model-freeλŠ” κ²½ν—˜μ΄ μ•„λ‹Œ μ£Όμ–΄μ§„ μƒν™©μ˜ μ •λ³΄λ‘œλ§Œ 행동을 ν•˜λŠ” 것이닀. 

κ°•ν™”ν•™μŠ΅ Replay Buffer = μ‹€μ œ κ²½ν—˜

 

2)

우리의 신체와 λΉ„μŠ·ν•œ 생μ₯λ₯Ό 톡해 μ‹€ν—˜μ„ μžμ£Όν•˜λŠ” λ‚΄μš©μ΄ 사둀에 μžˆλ‹€.

생μ₯μ—κ²Œ λ„νŒŒλ―Ό μ–΅μ œ μ•½λ¬Ό / 증폭 μ•½λ¬Ό λ“± ν—€λ‘œμΈ, 코카인을 톡해 쀑독에 λŒ€ν•΄ μ„€λͺ…을 ν•œλ‹€.

 μš°λ¦¬κ°€ 쀑독에 λΉ μ§€λŠ” μ΄μœ λŠ” 약물에 λŒ€ν•œ 우리의 μ˜μ§€κ°€ μ•½ν•œ 것이 μ•„λ‹ˆλΌ λ°˜λŒ€λ‘œ 약물을 μ°¨μ§€ν•˜λ €λŠ”

λͺ©ν‘œ 달성에 λŒ€ν•œ μ˜μ§€κ°€ 더 κ°•ν•œ 것이 약물을 끊기 μ–΄λ €μš΄ 이유라고 ν•œλ‹€.

이 μ‹€ν—˜μ„ μœ„ν•΄μ„œ 생μ₯μ—κ²Œ μ „κΈ° 좩격을 κ°€ν•˜λ©΄μ„œ 쀑독성 약물을 λ°›λŠ” 트리거인 λ²„νŠΌμ„ λˆ„λ₯΄κ²Œν•˜λŠ” ν–‰μœ„λ₯Ό κ΄€μ°°ν•˜λŠ”λ° 약물이 λ‚˜μ˜€μ§€ μ•ŠμŒμ—λ„ 생μ₯λŠ” λͺ©ν‘œ 달성을 μœ„ν•΄ μ „κΈ° 좩격을 λ²„ν‹°λŠ” λͺ¨μŠ΅μ΄ μ‹€ν—˜μ— μžˆλ‹€.

https://www.jneurosci.org/content/38/35/7649

 

Reward Learning over Weeks Versus Minutes Increases the Neural Representation of Value in the Human Brain

Over the past few decades, neuroscience research has illuminated the neural mechanisms supporting learning from reward feedback. Learning paradigms are increasingly being extended to study mood and psychiatric disorders as well as addiction. However, one p

www.jneurosci.org

 

 

  

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