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Determined

Determined

A Science of Life without Free Will
作者 Robert M. Sapolsky 2023 528 页数
4.24
6.2K 评分
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重点摘要

1. 自由意志是一种幻觉:我们是生物与环境的产物

我们不过是生物学与环境因素的累积结果,而这些因素皆非我们所能掌控,正是它们将我们带到了此刻。

决定论主宰一切。 我们的行为、思想与决策,皆源自一条无缝衔接的因果链,从眼前的过去一直延伸至时间的起点。这其中包括我们的基因、胎儿期环境、童年经历、文化影响以及当前的处境。

无自由意志的空间。 “自我”作为独立于生物学之外并能自由决策的存在,与科学认知不符。即便是我们最坚定的信念和最艰难的抉择,终究也受制于超出我们掌控的因素。

  • 关键影响因素:
    • 遗传基因
    • 胎儿期及早期童年环境
    • 文化与社会规范
    • 当前环境(如压力、饥饿、疲劳)
    • 神经化学与大脑结构

2. 神经学研究挑战了有意识决策的观念

神经元并不会因为与众多其他神经元互动,就变成无因自发、违背物理规律并产生自由意志的原因。

利贝特实验。 研究显示,与决策相关的大脑活动早于我们意识到做出该决策的时刻。这表明,我们对选择的意识体验更像是事后合理化,而非行为的真正起因。

神经决定论。 即使是复杂的决策,也能追溯到大脑中确定性的过程。神经元的放电和神经递质的释放,均遵循基于先前状态和输入的可预测模式。

  • 神经科学对自由意志的挑战:
    • 意识觉察前的准备电位
    • 预测性脑成像研究
    • 无意识偏见对决策的影响
    • 脑损伤与刺激对行为的作用

3. “涌现”与混沌并不为自由意志留空间

系统不可预测并不意味着它被赋予了魔力,神秘的解释并非真正的解释。

涌现不等于自由。 虽然复杂系统可能展现出无法从组成部分预测的涌现特性,但这并不引入真正的随机性或自由意志。涌现行为依然是底层确定性交互的结果。

混沌是确定性的。 混沌系统对初始条件极为敏感,实际中难以预测,但其运行规则依然是确定的。不可预测性并不等同于选择自由。

  • 关于涌现与混沌的误解:
    • 将不可预测误认为非决定性
    • 认为高层现象脱离底层约束
    • 误以为混沌引入真正随机性

4. 量子不确定性无法拯救自由意志

如果你把自由意志建立在随机性之上,那你就有麻烦了。

量子效应无法放大。 虽然量子力学在亚原子层面引入了真正的不确定性,但这些效应不太可能对大脑功能产生实质影响。大脑环境“温暖、潮湿且嘈杂”,难以维持量子相干。

随机性非自由。 即使量子不确定性影响了我们的决策,那也只是引入了随机性,而非自由意志。基于随机量子波动的决策,并不比经典物理决定的决策更“自由”。

  • 量子自由意志理论的问题:
    • 缺乏神经功能中量子效应的证据
    • 温暖生物系统中的退相干现象
    • 混淆非决定性与自由选择
    • 无法解释稳定的人格与决策模式

5. 变化发生,但非源于自由选择

我们并非主动改变想法。我们的思想,是所有先前生物时刻的终极产物,受周围环境影响而改变。

决定性变化。 人及其行为确实会随时间改变,但这种变化源于新输入和经历对神经通路的影响,而非自由选择的“自我”决定改变。

学习的生物基础。 即使是看似自愿的改变,如养成新习惯或戒除成瘾,也可追溯到大脑中确定性的过程。神经可塑性和学习机制遵循基于环境输入与强化的可预测模式。

  • 影响变化的因素:
    • 新的经历与信息
    • 环境或处境的变化
    • 神经可塑性与突触重塑
    • 大脑化学变化(如药物、激素)
    • 社会影响与文化变迁

6. 历史变迁显示我们能超越责备

我们已经做到了;我们现在的思考方式与过去的人不同。

认知演进。 历史上,我们对各种状况和行为的成因认知不断转变。例如,癫痫曾被视为恶魔附体,如今被理解为神经系统疾病。

减少污名与责备。 随着对精神分裂症、自闭症等疾病的科学理解加深,我们逐渐摒弃对患者及其家庭的责备,转而采取更具同情心和证据基础的态度。

  • 历史认知转变的例子:
    • 癫痫:从恶魔附体到神经疾病
    • 精神分裂症:从“精神分裂母亲”到生物疾病
    • 自闭症:从“冰箱妈妈”到神经发育障碍
    • 创伤后应激障碍:从“懦弱”到公认的心理健康问题

7. 拒绝自由意志不等于放弃责任

在上述情境中发生癫痫发作者,其驾照将被暂停,直至无发作记录达平均六个月。

务实态度。 拒绝自由意志和道德应得观念,并不意味着我们无法采取实际措施防止伤害、促进福祉。我们仍可以符合社会目标的方式追究责任,而无需依赖终极道德责任的概念。

关注后果。 我们应将重点放在康复、威慑和社会保护上,而非单纯惩罚。这种方法更符合科学认知,且能带来更佳效果。

  • 替代报复性司法的方案:
    • 康复项目
    • 修复性司法方法
    • 预防措施(如因医疗状况暂停驾照)
    • 教育与社会干预,解决有害行为根源

8. 重新思考司法:从报复转向预防与康复

若无自由意志,报复性惩罚便失去任何道德正当性。

超越报复。 接受自由意志是幻觉,意味着报复性惩罚的道德基础不复存在。我们无法仅因某人“应得”而使其受苦。

范式转变。 司法体系需摒弃责备与惩罚观念,转向更科学、注重后果的方式,致力于减少伤害、促进社会福祉。

  • 改革司法体系的关键要素:
    • 关注预防与康复
    • 解决犯罪行为根源(如贫困、心理健康、成瘾)
    • 适时采用修复性司法实践
    • 强调公共安全与减少伤害,非报复
    • 基于证据的个案干预措施

最后更新日期:

FAQ

What's Determined: A Science of Life without Free Will about?

  • Exploration of Free Will: The book argues that free will is an illusion, presenting scientific evidence that our actions are determined by biological and environmental factors.
  • Determinism Explained: Sapolsky emphasizes that every thought and action results from a chain of antecedent causes, challenging the notion of personal agency.
  • Interconnectedness of Influences: The author illustrates how genetics, upbringing, and cultural background interact to shape behavior, questioning traditional views on responsibility.

Why should I read Determined: A Science of Life without Free Will?

  • Insightful Perspective: The book offers a scientifically grounded view on human behavior, encouraging readers to reconsider beliefs about choice and responsibility.
  • Engaging Writing Style: Sapolsky combines humor, anecdotes, and research to make complex topics accessible and engaging.
  • Relevance to Society: Understanding the lack of free will can lead to more compassionate views on crime and punishment, prompting societal discussions.

What are the key takeaways of Determined: A Science of Life without Free Will?

  • No Free Will: The central thesis is that free will does not exist; our actions are determined by various factors.
  • Biological and Environmental Influences: Genetics, upbringing, and social context play crucial roles in shaping behavior.
  • Implications for Morality: Traditional notions of blame and punishment need reevaluation, focusing on rehabilitation over retribution.

What are the best quotes from Determined: A Science of Life without Free Will and what do they mean?

  • "Nothing comes from nothing, nothing ever could.": Highlights the importance of understanding the factors leading to actions rather than attributing them to free will.
  • "We are nothing more or less than the cumulative biological and environmental luck.": Encourages reflection on the randomness of life and its impact on individual choices.
  • "It’s turtles all the way down.": Serves as a metaphor for the complexity of human behavior and the futility of seeking a singular source of free will.

How does Robert M. Sapolsky define free will in Determined?

  • Complex Definition: Free will is defined as the ability to act independently of prior causes, which Sapolsky challenges.
  • Neuroscientific Perspective: Brain activity precedes conscious decision-making, suggesting our sense of agency is an illusion.
  • Causeless Causes: Sapolsky asserts that no action can occur without prior influences, reinforcing his argument against free will.

What role does determinism play in Determined: A Science of Life without Free Will?

  • Foundation of the Argument: Determinism is the backbone of Sapolsky's thesis, asserting that all behavior results from prior causes.
  • Biological and Environmental Interactions: The interplay of genetics and environment is crucial for understanding behavior.
  • Moral Implications: Accepting determinism encourages reconsideration of blame and punishment, leading to more compassionate societal responses.

How does Determined address the concept of moral responsibility?

  • Reevaluation of Blame: If free will does not exist, traditional notions of moral responsibility must be reconsidered.
  • Compassionate Approach: The book advocates for rehabilitation over retribution, emphasizing understanding causes of behavior.
  • Contextual Understanding: Encourages considering an individual's biological and environmental history, fostering empathy over judgment.

What scientific evidence does Robert M. Sapolsky provide in Determined?

  • Neuroscience Studies: References studies showing brain activity precedes conscious decision-making, supporting the illusion of free will.
  • Hormonal Influences: Discusses how hormones like testosterone and cortisol affect behavior, highlighting biological underpinnings.
  • Cultural and Environmental Factors: Examines how cultural background and experiences shape behavior, challenging the notion of free will.

How does Determined relate to chaos theory?

  • Introduction to Chaos Theory: Used to understand complex systems where small changes lead to unpredictable outcomes, paralleling human behavior.
  • Determinism vs. Predictability: Chaotic systems can be deterministic despite unpredictability, reinforcing the absence of free will.
  • Emergent Complexity: Complex behaviors emerge from simple rules, illustrating the deterministic nature of behavior.

How does Determined challenge traditional views of free will?

  • Scientific Basis for Determinism: Presents a strong argument against free will, emphasizing biological and environmental determinants.
  • Critique of Compatibilism: Argues that free will cannot coexist with determinism, as true autonomy is biologically impossible.
  • Call for Compassion: Encourages reconsidering moral responsibility and justice, advocating for understanding underlying causes over blame.

What is the significance of the title Determined?

  • Emphasis on Determinism: Reflects the theme that behavior is determined by factors beyond control, challenging free will.
  • Dual Meaning: Suggests resolution, as understanding determinants can lead to compassionate views on morality.
  • Provocative Nature: Challenges readers to confront beliefs about free will, prompting reflection on human behavior.

How does Determined relate to mental health?

  • Understanding Mental Illness: Recognizing the lack of free will can change perceptions of mental illness, fostering compassion.
  • Impact of Stress and Environment: Discusses how stress and childhood experiences affect mental health, highlighting environmental factors.
  • Rehabilitation Focus: Advocates for mental health interventions prioritizing support and understanding over blame.

评论

4.24 满分 5
平均评分来自 6.2K 来自Goodreads和亚马逊的评分.

《坚定》探讨了自由意志的概念,主张人类行为由生物学、环境和经历所决定。萨波尔斯基的文字引人入胜,发人深省,尽管部分读者认为他的论点缺乏说服力或过于宿命论。此书挑战了传统的个人责任与道德问责观念,倡导对刑事司法采取更具同情心的态度。许多人赞赏萨波尔斯基的洞见与科学解释,然而也有人批评他将自由意志视为语义问题,或对其结论感到不安。总体而言,本书激发了关于人类能动性及其社会影响的激烈讨论。

Your rating:
4.56
259 评分

关于作者

罗伯特·莫里斯·萨波尔斯基是一位杰出的神经内分泌学研究者和作家,以其在生物学与神经科学领域的卓越贡献闻名。作为斯坦福大学的教授,他教授生物学、神经学及神经科学课程,并兼任神经外科的荣誉职位。萨波尔斯基的研究不仅限于学术界,他还与肯尼亚国家博物馆保持合作关系。他在分子生物学、神经科学及人类行为方面的专业知识,使他成为科学界备受尊敬的声音。萨波尔斯基善于将复杂的科学概念转化为大众易懂的语言,这也使他作为作家的影响力日益扩大,其著作深入探讨了生物学、环境与人类行为之间错综复杂的联系。

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