Monday, November 20, 2023

Do clinical delusions have anything in common with a mythology mindset?

 


In my discussion of Steven Pinker’s book, Rationality, I referred to his observation that people tend to have a reality mindset in the world of immediate experience and a mythology mindset when discussing issues in the public sphere. Although that is an accurate observation about a general tendency, delusions are also fairly common in the world of immediate experience.

The delusions that most of us experience are fairly harmless. For example, it may not do you much harm to believe that you are happier than average, even if you aren’t. That common delusion may help to explain why so many people walk around with smiles on their faces.

For some unfortunate people, however, the world of immediate experience includes delusional beliefs that are symptomatic of mental ill-health. These are referred to as clinical delusions.


The question I ask above has been prompted by my reading of Lisa Bortolotti’s recent book, Why Delusions Matter. Lisa Bortolotti is a philosopher who specializes in the philosophy of the cognitive sciences, including issues relating to mental illness. She observes that there is a strong overlap between clinical and non-clinical delusional beliefs. The non-clinical delusional beliefs that she discusses include beliefs that Pinker would associate with a mythology mindset.

A conversation context

Bortolotti notes that in any discussion between two people, you have a speaker and an interpreter swapping roles as the conversation proceeds. The speaker says something and the interpreter listens, making inferences about the speaker’s beliefs, desires, feelings, hopes and intentions on the basis of the speaker’s words, facial expression, tone of voice, previous behaviour and so on.

Interpretation becomes challenging when the interpreter suspects that the speaker may be delusional. The interpreter rarely has the information needed to assess that the speaker’s beliefs are false, so falsity cannot be a necessary condition for attribution of delusionality.

Three elements are often involved when the interpreter judges the speaker to be delusional:

  • Implausibility: The interpreter finds the speaker’s beliefs to be implausible.
  • Unshakeability: Speakers do not give up their beliefs in the face of counterarguments and counterevidence.
  • Identity: The beliefs seem important to the image that speakers have of themselves.

Clinical delusions

Bortolotti offers what she describes as an “agency-in-context” model to explain clinical delusions. She explains:

“The adoption and maintenance of delusional beliefs are due to many factors combining aspects of who you are and what your story is (your genes, reasoning biases, personality, lack of scientific literacy, etc.) and aspects of how epistemic practices operate in the society where you live.”

The epistemic practices she refers to include what we learn at school about knowledge acquisition, and the stigma that makes it difficult for people with delusional beliefs to participate fully in public life.

There is no doubt that persecutory delusions are harmful to the speaker and others. They undermine the ability of speakers to respond appropriately to events, and often erode their relationships with others.

However, Lisa Bortolotti suggests that it is important for interpreters to understand that most delusions offer some benefits for speakers. Delusions “let speakers see the world as they want the world to be; make speakers feel important and interesting; or give meaning to speakers’ lives, configuring exciting missions for them to accomplish”.

Interpreters also need to understand that the underlying problems of speakers don’t disappear when they obtain insight about their delusions. They may become depressed when they approach reality without the filter of their delusional beliefs.

There is not much to be gained by attempting to reason with people whose beliefs are unshakeable. Bortolotti suggests that it is probably more productive for the interpreter and speaker to share stories rather than exchanging reasons for beliefs. Exchanging stories can show how delusional beliefs emerged as reactions to situations that were difficult to manage. While sharing stories, interpreters have opportunities “to practice curiosity and empathy in finding out more” about underlying problems.

Conspiracy delusions

From an interpreter’s viewpoint, a speaker’s beliefs about the existence of conspiracies often have similar characteristics to clinical delusions. They are implausible, unshakeable, and closely tied to the speaker’s self-image.

Bortolotti emphasizes that those who hold conspiracy delusions often claim to have special knowledge of events – they claim to be experts, or to know who the real experts are. Identifying as a member of a group is often also important. Non-members often refer to members of such groups in a derogatory way e.g. QAnon supporters and anti-vaxxers. However, people are often attracted to conspiracy delusions promoted by like-minded people whom they trust. The act of sharing a delusional story can be a signal of commitment to a particular group.

Comments

Lisa Bortolotti’s book has improved my understanding of delusions in a couple of different ways. First, it has given me a better appreciation that delusions offer some benefits to the people who hold them, and those benefits help to explain the unshakeability of delusional beliefs.

Second, viewing delusions within the context of a conversation between a speaker and an interpreter is helpful in drawing attention to the value judgements involved in assessing whether the speaker’s beliefs are delusional.

My main criticism of the book is that the author seems to me to be biased in favour of “the official version” of events, even though she acknowledges that contrary beliefs are sometimes vindicated. The most obvious example bias is her apparent reluctance to give credence to the possibility that Covid19 may have originated in a lab in Wuhan.

I am pleased that my reading of the book did not leave me with the impression that the author believes that it is delusional to have an unshakeable belief in the importance of the search for truth. In emphasizing that value judgements are involved in assessing whether beliefs are delusional, Lisa Bortolotti seems to me to be providing readers with a better understanding of the meaning attached to the concept of delusion in clinical and non-clinical settings, rather than casting doubt on the existence of reality.


Saturday, September 30, 2023

What's wrong with people?

 


This question is posed in the title of Chapter 10 of Steven Pinker’s book, Rationality: What it is, Why it Seems Scarce, Why it Matters.


I enjoyed reading the previous 9 chapters but didn’t learn much from them. Those chapters were a painless way to refresh my memory about definitions of rationality, rules of logic, probability, Bayesian reasoning, rational choice, statistical decision theory, game theory, correlation, and regression analysis.

I particularly liked the approach Pinker took in discussing the research of Daniel Kahneman and Amos Tversky which documents many ways in which people are prone to fall short of normative benchmarks of rationality. Pinker makes the point:

When people’s judgments deviate from a normative model, as they so often do, we have a puzzle to solve. Sometimes the disparity reveals a genuine irrationality: the human brain cannot cope with the complexity of a problem, or it is saddled with a bug that cussedly drives it to the wrong answer time and again.

But in many cases there is a method to people’s madness.”

A prime example is loss aversion: “Our existence depends on a precarious bubble of improbabilities with pain and death just a misstep away”. In Freedom Progress and Human Flourishing, I argued similarly that loss aversion helped our ancestors to survive.

Pinker doesn’t seek to blame the propensity of humans to make logical and statistical fallacies for the prevalence of irrationality in the public sphere. He is not inclined to blame social media either, although he recognises its potential to accelerate the spread of florid fantasies.

The mythology mindset

Pinker argues that reasoning is largely tailored to winning arguments. People don’t like getting on to a train of reasoning if they don’t like where it takes them. That is less of a problem for small groups of people (families, research teams, businesses) who have a common interest in finding the truth than it is in the public sphere.

People tend to have a reality mindset when they are dealing with issues that affect their well-being directly – the world of their immediate experience – but are more inclined to adopt a mythology mindset when they are dealing with issues in the public sphere.

When economists discuss such matters, they may refer to the observation of Joseph Schumpeter that the typical citizen drops to a lower level of mental performance when discussion turns to politics. They reference the concept of rational ignorance attributed to Anthony Downs and Gordon Tulloch. They may also refer to Brian Caplan’s concept of rational irrationality. (For example, see Freedom, Progress, and Human Flourishing, pp 114-115).

Pinker doesn’t refer to those economists’ perspectives but offers interesting insights about factors that might lead people to adopt mythology mindsets. In summary, as a consequence of myside bias, attitudes to the findings of scientific studies often have less to do with scientific literacy than with political affiliation. The opposing “sides” are sometimes akin to “religious sects, which are held together by faith in their moral superiority and contempt for opposing sects”. Within those sects the function of beliefs is to bind the group together and give it moral purpose.

What can we do?

Pinker’s suggestions for combatting irrationality in the public sphere are summed up by his subheading “Re-affirming Rationality”. He advocates openness to evidence, noting the findings of a survey suggesting that most internet users claim to be open to evidence. He suggests that we valorize the norm of rationality by “smiling or frowning on rational and irrational habits”.

Pinker identifies institutions that specialize in creating and sharing knowledge as playing a major role in influencing the beliefs that people hold. Since “no-one can know everything”, we all rely on academia, public and private research units, and the news media for a great deal of the knowledge which forms the basis of our beliefs. Unfortunately, these institutions are often not trustworthy.

In the case of the universities, Pinker suggests that the problem stems from “a suffocating left-wing monoculture, with its punishment of students and professors who question dogmas on gender, race, culture, genetics, colonialism, and sexual identity and orientation”. News and opinion sites have been “played by disingenuous politicians and contribute to post-truth miasmas”.

It is easy to agree with Pinker that it would be wonderful if universities and the news media could become paragons of viewpoint diversity and critical thinking. However, movement toward that goal will require large numbers of individuals to enlist for a ‘long march’ to re-establish norms of rationality in institutions that specialize in creating and sharing knowledge.                                                                    


Tuesday, September 12, 2023

Where have the supporters of capitalism gone?

 

Cartoon by Peter Nicholson from “The Australian” newspaper: www.nicholsoncartoons.com.au

Some erstwhile supporters of capitalism probably don’t realize that they have gone missing. They still support private ownership of property and businesses, and may claim to see merit in the profit motive. However, they overlook that capitalism also involves “prices, production, and the distribution of goods that are determined mainly by competition in a free market”.

The quoted words are from the Merriam-Webster definition of capitalism. Use of a definition from an American dictionary seems appropriate because the supporters of capitalism who have gone missing seem to me to be mainly Americans. That is unfortunate because Americans were once the world’s strongest supporters of capitalism.

In Australia, most of the people I hear talking about capitalism seem to use it as a term of disparagement. The people who support capitalism talk about free enterprise and economic freedom.

I have the impression that it is fairly common outside of America for supporters of capitalism to avoid using the word because it is commonly viewed as a term of disparagement. That may stem from the word’s origins. When I was growing up, someone told me that Karl Marx had invented the word. That is not correct. Marx rarely used the word. He preferred to describe capitalism as “the capitalist mode of production”. Nevertheless, even in America the term was apparently considered to be a socialist expression until well into the 20th century.

In the latter half of the 20th century, the strongest supporters of capitalism had no qualms about using the word. Milton Friedman used the word in the title of a book, Capitalism and Freedom. Friedman made it clear that he was writing about “competitive capitalism – the organisation of the bulk of economic activity through private enterprise operating in a free market”. Ayn Rand used the word in the title of a book, Capitalism: The Unknown Ideal. She defined capitalism as “a social system based on the recognition of individual rights, including property rights, in which all property is privately owned”.


Where have America’s supporters of capitalism gone? Johan Norberg prompted me to think about that question as I was reading his latest book,
The Capitalist Manifesto: Why the Global Free Market Will Save the World. This book is a follow-up to In Defence of Global Capitalism, which Norberg wrote about 20 years ago. Globalization has now become a dirty word to many erstwhile supporters of capitalism, but Norberg remains a strong defender of global capitalism.


Who opposes the free market?

One of the most interesting contributions of Norberg’s new book is his account of the changing opposition to the ideal of a global free market. Norberg wrote In Defence of Global Capitalism to counter the arguments of left-wing activists who mistakenly believed that free trade, foreign investment, and multinational corporations were making the world’s poor even poorer. George Monbiot, Oxfam, Bono etc. eventually began to see some merit in free trade, but opposition then migrated to economic nationalists on the conservative side of the political spectrum.

Norberg suggests that the opponents of globalization share an underlying misconception that it is a zero-sum game – someone’s gain is another one’s loss:

“The worldview is the same, the roles are just reversed – twenty years ago free trade was considered bad because we exploited them, now it is considered bad because they exploit us.”

Norberg seems to assume that most readers will already understand why free trade is a positive-sum game – beneficial to both importers and exporters. He uses colourful illustrations to reinforce the point:

“Free trade allows the farmer to grow a new mobile phone in his wheat field, the textile worker can sew a new motorbike and the author can (if lucky) write a holiday trip to Tuscany.”

The author argues that free enterprise is primarily about “opening the dams of human creativity – to let everyone participate and test their ideas and see if they work”.

The opposition of economic nationalists to free trade is associated with the narrative that during the early years of the 21st century, cheap imports from China caused deindustrialization and wage stagnation in the United States.  Norberg’s most important contribution seems to me to be in challenging that narrative. He makes the point that the loss of jobs in manufacturing is attributable largely to automation rather than import competition. He suggests that the slow-down in wages growth in the US dates from the mid-1970s, reflecting a necessary correction of cost levels because wages had previous been growing faster than productivity. The Rust Belt apparently lost more jobs in the decades before globalization reached the US, than it has in recent decades. The share of manufacturing jobs in the US declined more rapidly prior to 2001, when China was admitted to the World Trade Organisation (WTO), than it has in the decades since then.

 Fear of China

Economic nationalists suggest that the involvement of China in international supply chains has been particularly problematic because of the theft of technology. Norberg points out that China has been by no means unique in that respect. The US itself apparently once had a policy of smuggling inventions and bribing European artisans to reveal their secrets. There is evidence that the Chinese government has a relatively good track record in following WTO rulings relating to disputes about intellectual property and government subsidies.

Norberg acknowledges the potential for Chinese investment in digital and physical infrastructure to pose a security threat because the Chinese government views Chinese companies as its agents. He points out that this does not mean that the US and its allies were wrong to encourage China to open up to the outside world. He suggests that if China had not opened up, it is much more likely that the Chinese people would have generally perceived Westerners as irreconcilable opponents. He fears that use of trade barriers to isolate China could strengthen the most reactionary and nationalist forces in China.    

Leviathan’s helpers

Where have the capitalists gone? Many business owners and executives now seem to spend less time on conventional entrepreneurial activities than on seeking to ingratiate themselves with politicians and bureaucrats who are engaged in active industrial policy.  

The chapter in The Capitalist Manifesto entitled “Picking Losers” should be of particular interest to Jim Chalmers, Australia’s Treasurer. In his article in The Monthly (Feb 2023) Chalmers wrote:

“As the influential economist Mariana Mazzucato has explored in her work, markets built in partnership through the efforts of business, labour and government are still the best mechanism we have to efficiently and effectively direct resources.”  

Johan Norberg has quite a lot to say about Mariana Mazzucato’s naïve views. I will not attempt to provide a summary here because it might spoil the fun for readers. However, I particularly liked this sentence:

 “Governments are bad at picking winners, but losers are good at picking governments.”

That observation seems particularly relevant to Australia at present.

Concluding remarks

In focusing on reasons why support for capitalism has declined, I have failed to mention many of the virtues of capitalism discussed in The Capitalist Manifesto. For example, I was particularly interested in what Johan Norberg had to say about the relationship between capitalism and various aspects of happiness, in his chapter on “the meaning of life”.

I began by noting that many supporters of capitalism are reluctant to use the word because socialists have historically used it as a term of disparagement. I commend Johan Norberg for writing a capitalist manifesto. In doing that he is following in the footsteps of great advocates of economic freedom who had no qualms in talking about the virtues of capitalism.

In this book, Norberg has provided an interesting account of how many erstwhile supporters of capitalism have come to oppose global free markets. The most important contribution of the book, in my view, is the challenge it offers to the narrative that cheap imports from China have caused deindustrialization and wage stagnation in the United States.


Monday, August 14, 2023

Why were Australian Aborigines still hunter-gatherers in 1788?


Some readers may think this question is based on a false premise. So I will begin by considering the claim that Australian Aborigines were farmers rather than hunter-gatherers before 1788 when Britain established a penal colony in New South Wales.

The Dark Emu debate

 In 2014, Bruce Pascoe published the book entitled Dark Emu in which he argued that, in contrast to what most Australians believed, Aboriginal people were engaged in farming at the time British rule was


established. Unfortunately, Pascoe’s view remains influential despite having been debunked by Peter Sutton and Keryn Walshe in their book, Farmers or Hunter-Gatherers? which was published in 2021.

Sutton and Walshe acknowledge that the 1788 economy was somewhere between simple hunter-gathering and agriculture. They argue:

“Referring to certain regionally specific Aboriginal economic practices as ‘incipient agriculture’, as ‘proto-agriculture’ or as being at ‘an early stage in the development of agriculture’ is to suggest an unfulfilled developmental journey. We seek here to avoid this deficit model of the Old People, which is why we prefer the term ‘hunter-gatherers-plus’. It describes people accurately without attempting to place them in some supposed one-directional evolutionary scheme.”

Sutton and Walshe suggest that the hunting and gathering economy in pre-colonial Australia was as complex as gardening or farming. Even though it did not require deliberate planting of crops, it required fine-grained knowledge of hundreds of species and their habitats, annual cycles, names and generic classifications; of methods for processing them and for preparing them as food, as tools, as bodily decoration, and as ritual paraphernalia.

As documented by Sutton and Walshe, the hunting and gathering lifestyles of Australian Aboriginals does not conflict greatly with what I remember being taught about at school over 50 years ago. I think the main deficiency in the impression I gained was excessive emphasis of the role of British pioneers in clearing wilderness, and insufficient attention to the role of Aborigines in using slow-burning fires to make the landscape more suitable for kangaroos and other grazing animals. 


Bill Gammage’s book, The Biggest Estate on Earth (2012) made it abundantly obvious that European pastoralists did not need to make huge improvements to the land to make it suitable for grazing of sheep and cattle. Gammage compiled numerous descriptions of the landscape written by explorers and settlers and his book contains many landscape paintings made at the time of invasion/settlement.

The painting by Joseph Lycett at the top of this article shows people and scenery in about 1820, somewhere near Newcastle (possibly Eleebana on Lake Macquarie, close to where I currently live). Lycett was a convict who had been convicted of forgery. The local authorities made good use of his skills by encouraging him to paint what he saw.

What prevented Aborigines from farming?

 Sutton and Walshe make it clear that Aborigines were botanically knowledgeable. It was not lack of knowledge that prevented Aborigines from farming:

“Knowing—as the Old People did full well—that plants grew from seeds and tubers, ignorance played no role in this rejection of farming. It was cultural resistance, and loyalty to their own ways.”

Sutton and Walshe note that Aborigines in northern Australia adopted some of the cultural practices of Torres Strait people but did not adopt their horticultural practices. They also note that British settlers “tediously and repeatedly” claimed that many of the Aborigines they encountered were “averse to hoeing, weeding and planting”.   

The Aboriginal aversion to farming seems to have been associated with religion. They saw the practical aspects of obtaining food as “inseparable from their commitment to a spiritual understanding of the origin of species, to conservative values in relation to change, and to a cosmology in which economics had to be in conformity to ancestral authority”. In their way of thinking, the combination of “spiritual propagation” and practical resource management made farming unnecessary.

Sutton and Walshe explain the concept of “spiritual propagation” as including speaking to the spirits of ancestors and other rituals at species-related sites, maintaining a rich system of totems for various species, and handling food resources with reverence. They provide examples of the ways in which spiritual maintenance and practical resource management combined to characterise “the classical Aboriginal economy” in different parts of the country.

My response to the question posed at the outset is that Australian Aborigines were still hunter-gatherers in 1788 because they did not have strong incentives to adopt different lifestyles. By today’s standards their pre-1788 societies were not idyllic, but a stable equilibrium seems to have evolved in which change-resistant cultural practices had become embedded.

That is only a partial answer to the question of why Australian Aborigines did not become farmers. At some stage in the past, people not far away had also been hunter-gatherers before adopting farming practices. They must have faced different incentives. Perhaps their cultures evolved to become less hierarchical, providing greater scope for innovative individuals to try new ways of doing things. Perhaps they had an incentive to begin farming because population pressures were a greater problem for them. If so, that raises further questions. For example: Was climate change a greater problem in the regions in which they lived? Was their mobility restricted in some way to make a hunting and gathering lifestyle impossible to sustain?

Conclusion

 Prior to the establishment of a British colony in Australia in 1788, the lifestyles of Australian Aborigines can best be described as complex hunter-gathering. Their lifestyles required at least as much botanical knowledge as does simple gardening or farming.

 Lack of botanical knowledge certainly does not explain why Aborigines did not become farmers. Peter Sutton and Keryn Walshe suggest that Aborigines had an aversion to farming that stemmed from their religious beliefs. As Aborigines saw it, the combination of spiritual propagation of species and practical resource management made gardening or farming unnecessary.

Aborigines were still hunter-gatherers in 1788 because they did not have strong incentives to adopt different lifestyles. A stable equilibrium seems to have evolved in which change-resistant cultural practices had become embedded. However, that leaves open the question of why people living nearby on Torres Strait islands had stronger incentives to adopt gardening practices.