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In my estimation the answer is decidedly no, but I am interested to hear what others think from a Mahayana or Madhyamaka perspective.

First, to try and clarify terms I am using scientific realism/materialism as described here:

While the above links do a pretty good job of describing these worldviews I don't think they are perfect. In my own imperfect language I'd say these worldviews presuppose an objective world that exists in an independent and inherent manner. I think this is the default worldview of most lowly beings and certainly of western or modern society. The idea is that the practice of science gets us ever closer to the true and fundamental underlying material reality with the presupposition that there is a true and fundamental underlying material reality that exists in the first place.

In this worldview, the laws of physics inherently exist and everything can be reduced to some fundamental building blocks of nature evolving in time according to those laws. That there is a truth of the matter about every historical event that is independent of any subjective consciousness. In short, that things exist inherently and not as mere conventions.

To my mind, anyone who believes in these worldviews has not fully grokked the deep and subtle meaning of Mahayana/Madhyamaka emptiness. To be clear, I am not talking about the practice of science which I see as distinct from the worldviews above.

To define by way of contrast, consider this alternative scientific worldview that does not presuppose an underlying observer independent physical reality. By the way, here is an article written by the author of Relational QM on the comparison of his work to Nagarjuna.

Is this correct? What have I gotten wrong?

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  • I don't know these philosophies. The 2nd link you quoted says, "Non-physical or quasi-physical substance, such as information, ideas, ..." -- doesn't that say that these (including laws) don't exist -- i.e. that really only the material (and energy) exists?
    – ChrisW ♦
    Aug 27 '18 at 21:28
  • Also I don't understand what the 1st link (about scientific realism) is saying, but it says that it's "as opposed to instrumentalism" -- and Wikipedia's Instrumentalism article says, "instrumentalism is largely the prevailing theory that underpins the practice of physicists today" -- so maybe that contradicts your assertion that it's scientific realism that's "the default worldview of most lowly beings and certainly of western or modern society".
    – ChrisW ♦
    Aug 27 '18 at 21:31
  • Hi ChrisW, the links are imperfect descriptions of the underlying philosophies. To my mind, the typical western lowly being walks around unknowingly assuming many of the facets of these underlying philosophies. But if you don't grok what this question is about, then I take the blame as it is not a very well crafted question.
    – Yeshe Tenley
    Feb 17 at 15:21
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What follows is not an "answer", but just some ideas or frames of interpretation from discussions with fellow Buddhists with a Western scientific background. So please don't crucify me :-) but tell me if I'm wrong.

The Scientific Method is Compatible with Mahayana Buddhism

Let's first appreciate the success of the western scientific method to explain certain parts of conventional reality that were previously within the religious domain. There is no need to believe in a god of thunder anymore in order to explain certain meteorological phenomena. I believe that this success was just extrapolated to the metaphysical realm somehow unintentionally or without much thinking, so that "scientific materialism" just formed once there was no need for specific divinities anymore. Scientific models just don't talk about metaphysics (for exceptions see below).

Scientific models used to fail completely to deal with "mind" (as the structure of a perceiving subject), at least until a few years/decades ago. Psychology is either considered "unscientific" (early psychology with Freud, Jung etc.) or doesn't actually talk about the mind anymore (focusing on what is measurable). So I would argue that "science" is actually not talking about the mind or any metaphysical concepts like Karma or Sunyata. So I don't see any hard incompatibility here with early Buddhism. This would also hold for most Buddhists schools, if you'd strip of the mythological elements and/or interpret them as psychological images.

Neuroscience, Cognitive Science and Artificial Intelligence

A few decades ago things have started to change, and that is where I believe things get interesting with respect to (in-)compatibility with Buddhism. The disciplines start to talk about the mind and the structure of the perceiving subject. However, current models are very basic and typically limited to specific brain functions. For example, there has been quite some progress to model the processing of images from the eyes in the visual cortex, and artificial intelligence (AI) has become successful performing such tasks automatically, as everybody can see first-hand when using the image processing functions of recent mobile phones. We can expect further progress in this area.

The current results imply that "thoughts" and other cognitive states are represented in the brain as patterns of neuronal activity. This is a pure materialist view of the mind. There are philosophical and religious schools that deny this, but given the success record of the scientific method and the amount of resources invested in this research area, I predict important advances in the upcoming years that will make this view more and more popular.

Areas of Conflict

It may be interesting to examine the specific areas or concepts that might conflict with such material view:

  • Karma: Maybe we could live with "Karma in this one life"? Karma could also be seen as related to neuroplasticity and neural pathways that accumulate/aggregate habitual reactions.
  • Devas, Nagas and other divinities: I interpret them as personification of states, traits or properties.
  • Nihilism: Nihilism gets in the way of Sunyata. There is no answer on this one yet.
  • Mind: See below.
  • Other areas? Let's discuss.

Materialist View of Mind Preserving Buddhist Properties?

I'm an active researcher in the area of AGI and have published a very technical paper on the subject.

Here is a summary using a simile: The mind relates to the neurons of the brain like a YouTube video on a computer to the silicon logic that only works with 0's and 1's. You can't explain the quality of the video on the level of silicon logic. You will have to talk about applications, libraries, operating systems, programming languages, microprocessors, digital logic and many other "layers" that build on each other in order to produce a video. In a similar way I could imagine that the phenomena of "mind" appear at the highest layer of the "layer cake" of the brain.

Is ... Materialism ... compatible with Mahayana?

To summarize these views: The wealth of mental phenomena in and outside meditation is perfectly compatible with a materialist base of the mind. The physical laws governing the simple neural building blocks don't limit the mind in any way. Nihilism may be a problem. We also may have to "tweak" the interpretation of some concepts in order to avoid conflict. Strict followers of certain Buddhist schools may find this not acceptable.

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    Hello fraber, your answer is fine for what it is. Unfortunately, with the focus on mind and some of the other perceived conflicts the answer is sidestepping the question. I think it is likely that the question is not phrased well enough or written well enough to get to the heart of what I'm asking. I'll think about it and see if I can edit the question to be clearer.
    – Yeshe Tenley
    Feb 17 at 15:17
  • @Yeshe, thanks for the upvote. Interesting question. I just wanted to point out that neither the Buddhist nor the materialistic sides are "monolithic". Instead, there are "clouds" of variants. Consider the >100 different views on Sunyata / Prajnaparamita by various schools. Some are more compatible with a "pure materialism" than others. The same holds in the materialistic side. I tried to argue that a materialistic substrate may produce phenomena that appear to be non-materialistic. Maybe also post the question on Daniel Ingram's Dharma Overground.
    – fraber
    Feb 18 at 16:46
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I agree with you. These are material World views and can’t explain mind or karma. But I am glad that you added that you see these as different to other scientific methods which are compatible with Buddhism. The basic scientific process of observing cause and effect can be applied to religion, and using logical reasoning to establish phenomena that cannot be directly observed is common to both.

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