In this episode of Psychiatry Boot Camp, Dr. Mark Mullen continues his conversation with Dr. Jacob Appel, covering two intersecting frontiers. The replacement of human physicians by AI "replicants" and the emerging use of AI as a surrogate decision-maker, or "robo-proxy," for patients who lack decisional capacity. Dr. Appel argues that while AI will outperform human physicians in probabilistic, pattern-recognition tasks, it is structurally incapable of providing the authentic empathy, shared vulnerability, common sense, and irrational human trust that constitute the actual substance of healing and that deploying replicant physicians at scale will produce a deeply inequitable two-tiered healthcare system where wealthy patients see humans and less wealthy patients see machines.
The second half of the episode addresses the coming reality of AI robo-proxies where patients appoint chatbots as their legal healthcare proxy to make decisions in the event of incapacity. Dr. Appel outlines four models by which this might occur, then catalogs the serious structural problems each presents. His closing advice is disarmingly simple. Write your advance directive the old-fashioned way, on paper, and tell someone you love what you want.
Takeaways:
AI performs well at tasks requiring 90–95% accuracy but medicine often demands near-certainty, and the "negative outcome penalty paradox" means physicians face increased liability whether they follow AI recommendations that turn out to be wrong or override them when the AI turns out to be right.
Authentic emotional support, not simulated empathy, is a core component of healing.
The deployment of replicant physicians at scale will create a two-tiered system in which those who can afford to will see human doctors while the majority of patients will be increasingly funneled toward AI-driven care.
AI "robo-proxies" present profound legal and ethical problems as surrogate decision-makers.
Until legal frameworks are built around robo-proxies, physicians who follow a robo-proxy's instructions over a family's objection face serious liability exposure regardless of whether the law ultimately supports the decision.
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Chapter:
00:00 Meet Dr Jacob Appel
00:29 Values Based Capacity Model
02:15 Can Clinicians Make Time
03:13 Will AI Replace Doctors
06:47 Replicant Pros And Cons
10:35 Empathy And Shared Vulnerability
14:57 Trust Liability And Policy
30:21 Robo Agents As Surrogates
32:46 Robo Proxy Basics
33:34 Can AI Improve Living Wills
35:06 Why Choose a Robo Proxy
36:38 Hallucinations and High Stakes
38:06 Four Robo Proxy Models
42:29 Bias and Family Fallout
52:22 Legal Standards and Liability
59:07 Activation Risks and Final Advice
