The psychological
literature is full of studies illustrating the benefits—both personal and
social—of holding positive “illusions” about ourselves. Researchers find that
when they induce a positive mood, by whatever means, people are more likely to
interact with others and more likely to help others. Those feeling good about
themselves are more cooperative in bargaining situations and more likely to
find a constructive solution to their conflicts. They are also better problem
solvers, more motivated to succeed, and more likely to persist in the face of a
challenge. Motivated reasoning enables our minds to defend us against
unhappiness, and in the process it gives us the strength to overcome the many
obstacles in life that might otherwise overwhelm us. The more of it we do, the
better off we tend to be, for it seems to inspire us to strive to become what
we think we are. In fact, studies show that the people with the most accurate
self-perceptions tend to be moderately depressed, suffer from low self-esteem,
or both. An overly positive self-evaluation, on the other hand, is normal and
healthy.
Showing posts with label Leonard Mlodinow. Show all posts
Showing posts with label Leonard Mlodinow. Show all posts
Saturday, April 23, 2016
Motivated Reasoning
As it turns out,
the brain is a decent scientist but an absolutely outstanding lawyer. The
result is that in the struggle to fashion a coherent, convincing view of
ourselves and the rest of the world, it is the impassioned advocate that
usually wins over the truth seeker. We’ve seen in earlier chapters how the
unconscious mind is a master at using limited data to construct a version of
the world that appears realistic and complete to its partner, the conscious
mind. Visual perception, memory, and even emotion are all constructs, made of a
mix of raw, incomplete, and sometimes conflicting data. We use the same kind of
creative process to generate our self-image. When we paint our picture of self,
our attorney-like unconscious blends fact and illusion, exaggerating our
strengths, minimizing our weaknesses, creating a virtually Picassoesque series
of distortions in which some parts have been blown up to enormous size (the
parts we like) and others shrunk to near invisibility. The rational scientists
of our conscious minds then innocently admire the self-portrait, believing it
to be a work of photographic accuracy.
Psychologists
call the approach taken by our inner advocate “motivated reasoning.” Motivated
reasoning helps us to believe in our own goodness and competence, to feel in
control, and to generally see ourselves in an overly positive light. It also
shapes the way we understand and interpret our environment, especially our
social environment, and it helps us justify our preferred beliefs. Still, it
isn’t possible for 40 percent to squeeze into the top 5 percent, for 60 percent
to squeeze into the top decile, or for 94 percent to be in the top half, so
convincing ourselves of our great worth is not always an easy task.
Fortunately, in accomplishing it, our minds have a great ally, an aspect of
life whose importance we’ve encountered before: ambiguity. Ambiguity creates
wiggle room in what may otherwise be inarguable truth, and our unconscious
minds employ that wiggle room to build a narrative of ourselves, of others, and
of our environment that makes the best of our fate, that fuels us in the good
times, and gives us comfort in the bad.
Sorting People and Things
If you read
someone a list of ten or twenty items that could be bought at a supermarket,
that person will remember only a few. If you recite the list repeatedly, the
person’s recall will improve. But what really helps is if the items are
mentioned within the categories they fall into—for example, vegetables, fruits,
and cereals. Research suggests that we have neurons in our prefrontal cortex
that respond to categories, and the list exercise illustrates the reason:
categorization is a strategy our brains use to more efficiently process
information.
**
Every object and
person we encounter in the world is unique, but we wouldn’t function very well
if we perceived them that way. We don’t have the time or the mental bandwidth
to observe and consider each detail of every item in our environment. Instead,
we employ a few salient traits that we do observe to assign the object to a
category, and then we base our assessment of the object on the category rather
than the object itself. By maintaining a set of categories, we thus expedite
our reactions. If we hadn’t evolved to operate that way, if our brains treated
everything we encountered as an individual, we might be eaten by a bear while
still deciding whether this particular furry creature is as dangerous as the
one that ate Uncle Bob. Instead, once we see a couple bears eat our relatives
the whole species gets a bad reputation. Then, thanks to categorical thinking,
when we spot a huge, shaggy animal with large, sharp incisors, we don’t hang
around gathering more data; we act on our automatic hunch that it is dangerous
and move away from it.
**
Thinking in terms
of generic categories helps us to navigate our environment with great speed and
efficiency; we understand an object’s gross significance first and worry about
its individuality later. Categorization is one of the most important mental
acts we perform, and we do it all the time.
**
But the arrow of
our reasoning can also point the other way. If we conclude that a certain set
of objects belongs to one group and a second set of objects to another, we may
then perceive those within the same group as more similar than they really
are—and those in different groups as less similar than they really are. Merely
placing objects in groups can affect our judgment of those objects. So while
categorization is a natural and crucial shortcut, like our brain’s other
survival-oriented tricks, it has its drawbacks.
**
In another study,
researchers found that if you ask people in a given city to estimate the
difference in temperature between June 1 and June 30, they will tend to
underestimate it; but if you ask them to estimate the difference in temperature
between June 15 and July 15, they will overestimate it.4 The artificial
grouping of days into months skews our perception: we see two days within a
month as being more similar to each other than equally distant days that occur
in two different months, even though the time interval between them is
identical.
In all these
examples, when we categorize, we polarize. Things that for one arbitrary reason
or another are identified as belonging to the same category seem more similar
to each other than they really are, while those in different categories seem
more different than they really are. The unconscious mind transforms fuzzy
differences and subtle nuances into clear-cut distinctions. Its goal is to
erase irrelevant detail while maintaining information on what is important.
When that’s done successfully, we simplify our environment and make it easier
and faster to navigate. When it’s done inappropriately, we distort our
perceptions, sometimes with results harmful to others, and even ourselves.
That’s especially true when our tendency to categorize affects our view of
other humans—when we view the doctors in a given practice, the attorneys in a
given law firm, the fans of a certain sports team, or the people in a given
race or ethnic group as more alike than they really are.
**
Remember that the
propensity to categorize, even to categorize people, is for the most part a
blessing. It allows us to understand the difference between a bus driver and a
bus passenger, a store clerk and a customer, a receptionist and a physician, a
maître d’ and a waiter, and all the other strangers we interact with,
without our having to pause and consciously puzzle out everyone’s role anew
during each encounter. The challenge is not how to stop categorizing but how to
become aware of when we do it in ways that prevent us from being able to see
individual people for who they really are.
Margaret Thatcher
If voice makes
such a huge impression, the key question becomes, To what extent can someone
consciously alter their voice? Consider the case of Margaret Hilda Roberts, who
in 1959 was elected as a Conservative member of British Parliament for North
London. She had higher ambitions, but to those in her inner circle, her voice
was an issue.16 “She had a schoolmarmish, very slightly bossy, slightly
hectoring voice,” recalled Tim Bell, the mastermind of her party’s publicity
campaigns. Her own publicity adviser, Gordon Reese, was more graphic. Her high
notes, he said, were “dangerous to passing sparrows.” Proving that though her
politics were fixed, her voice was pliable, Margaret Hilda Roberts took her
confidants’ advice, lowered the pitch, and increased her social dominance.
There is no way to measure exactly how much difference the change made, but she
did pretty well for herself. After the Conservatives were defeated in 1974,
Margaret Thatcher—she had married the wealthy businessman Denis Thatcher in
1951—became the party’s leader and, eventually, prime minister.
Tuesday, April 19, 2016
Nonverbal Communication
Scientists attach
great importance to the human capacity for spoken language. But we also have a
parallel track of nonverbal communication, and those messages may reveal more
than our carefully chosen words and sometimes be at odds with them. Since much,
if not most, of the nonverbal signaling and reading of signals is automatic and
performed outside our conscious awareness and control, through our nonverbal
cues we unwittingly communicate a great deal of information about ourselves and
our state of mind. The gestures we make, the position in which we hold our
bodies, the expressions we wear on our faces, and the nonverbal qualities of
our speech—all contribute to how others view us.
Being Social and the Theory of Mind
One advantage of
belonging to a cohesive society in which people help one another is that the
group is often better
equipped than an unconnected set of individuals to deal with threats from the
outside. People intuitively realize that there is strength in numbers and take
comfort in the company of others, especially in times of anxiety or need. Or,
as Patrick Henry famously said, “United we stand, divided we
fall.”
**
Social connection
is such a basic feature of human experience that when we are deprived of it, we
suffer. Many languages have expressions—such as “hurt feelings”—that compare
the pain of social rejection to the pain of physical injury. Those may be more
than just metaphors. Brain-imaging studies show that there are two components
to physical pain: an unpleasant emotional feeling and a feeling of sensory
distress. Those two components of pain are associated with different structures
in the brain. Scientists have discovered that social pain is also associated
with a brain structure called the anterior cingulate cortex—the same structure
involved in the emotional component of physical pain.
It’s fascinating
that the pain of a stubbed toe and the sting of a snubbed advance share a space
in your brain. The fact that they are roommates gave some scientists a
seemingly wild idea: Could painkillers that reduce the brain’s response to
physical brain also subdue social pain?
**
Social rejection
doesn’t just cause emotional pain; it affects our physical being. In fact,
social relationships are so important to humans that a lack of social
connection constitutes a major risk factor for health, rivaling even the
effects of cigarette smoking, high blood pressure, obesity, and lack of physical
activity. In one study, researchers surveyed 4,775 adults in Alameda County,
near San Francisco. The subjects completed a questionnaire asking about social
ties such as marriage, contacts with extended family and friends, and group
affiliation. Each individual’s answers were translated into a number on a
“social network index,” with a high number meaning the person had many regular
and close social contacts and a low number representing relative social
isolation. The researchers then tracked the health of their subjects over the
next nine years. Since the subjects had varying backgrounds, the scientists
employed mathematical techniques to isolate the effects of social connectivity
from risk factors such as smoking and the others I mentioned above, and also
from factors like socioeconomic status and reported levels of life
satisfaction. They found a striking result. Over the nine-year period, those
who’d placed low on the index were twice as likely to die as individuals who
were similar with regard to other factors but had placed high on the social
network index. Apparently, hermits are bad bets for life insurance
underwriters.
**
When we think of
humans versus dogs and cats, or even monkeys, we usually assume that what
distinguishes us is our IQ. But if human intelligence evolved for social
purposes, then it is our social IQ that ought to be the principal quality that
differentiates us from other animals. In particular, what seems special about
humans is our desire and ability to understand what other people think and
feel. Called “theory of mind,” or “ToM,” this ability gives humans a remarkable
power to make sense of other people’s past behavior and to predict how their
behavior will unfold given their present or future circumstances. Though there
is a conscious, reasoned component to ToM, much of our “theorizing” about what
others think and feel occurs subliminally, accomplished through the quick and
automatic processes of our unconscious mind. For example, if you see a woman
racing toward a bus that pulls away before she can get on it, you know without
giving it any thought that she was frustrated and possibly ticked off about not
reaching the bus in time, and when you see a woman moving her fork toward and
away from a piece of chocolate cake, you assume she’s concerned about her
weight. Our tendency to automatically infer mental states is so powerful that
we apply it not only to other people but to animals and even, as the
six-month-olds did in the wooden disk study I described above, to inanimate geometrical
shapes.
It is difficult
to overestimate the importance to the human species of ToM. We take the
operation of our societies for granted, but many of our activities in everyday
life are possible only as a result of group efforts, of human cooperation on a
large scale. Building a car, for example, requires the participation of
thousands of people with diverse skills, in diverse lands, performing diverse
tasks. Metals like iron must be extracted from the ground and processed; glass,
rubber, and plastics must be created from numerous chemical precursors and
molded; batteries, radiators, and countless other parts must be produced;
electronic and mechanical systems must be designed; and it all must come
together, coordinated from far and wide, in one factory so that the car can be
assembled. Today, even the coffee and bagel you might consume while driving to
work in the morning is the result of the activities of people all over the
world—wheat farmers in one state, bakers most likely in another, dairy farmers
yet elsewhere; coffee plantation workers in another country, and roasters
hopefully closer to you; truckers and merchant marines to bring it all
together; and all the people who make the roasters, tractors, trucks, ships,
fertilizer, and whatever other devices and ingredients are involved. It is ToM
that enables us to form the large and sophisticated social systems, from
farming communities to large corporations, upon which our world is based.
Scientists are
still debating whether nonhuman primates use ToM in their social activities,
but if they do, it seems to be at only a very basic level.10 Humans are the
only animal whose relationships and social organization make high demands on an
individual’s ToM. Pure intelligence (and dexterity) aside, that’s why fish
can’t build boats and monkeys don’t set up fruit stands. Pulling off such feats
makes human beings unique among the animals. In our species, rudimentary ToM
develops in the first year. By age four, nearly all human children have gained
the ability to assess other people’s mental states. When ToM breaks down, as
in autism, people can have difficulty functioning in society. In his book An
Anthropologist on Mars, the clinical neurologist Oliver Sacks profiled Temple
Grandin, a high-functioning autistic woman. She had told him about what it was
like to go to the playground when she was a child, observing the other
children’s responses to social signals she could not herself perceive.
“Something was going on between the other kids,” he described her as thinking,
“something swift, subtle, constantly changing—an exchange of meanings, a
negotiation, a swiftness of understanding so remarkable that sometimes she
wondered if they were all telepathic.”
Memory
From the nature
of these memory errors, and those documented in many other incidents he
studied, Münsterberg fashioned a theory of memory. He believed that none of us
can retain in memory the vast quantity of details we are confronted with at any
moment in our lives and that our memory mistakes have a common origin: they are
all artifacts of the techniques our minds employ to fill in the inevitable
gaps. Those techniques include relying on our expectations and, more generally,
on our belief systems and our prior knowledge. As a result, when our
expectations, beliefs, and prior knowledge are at odds with the actual events,
our brains can be fooled.
**
Münsterberg
published his ideas about memory in a book that became a best seller, On the
Witness Stand: Essays on Psychology and Crime. In it, he elaborated on a number
of key concepts that many researchers now believe correspond to the way memory
really does work: first, people have a good memory for the general gist of
events but a bad one for the details; second, when pressed for the unremembered
details, even well-intentioned people making a sincere effort to be accurate
will inadvertently fill in the gaps by making things up; and third, people will
believe the memories they make up.
**
Between them,
Freud and Münsterberg had come up with theories of mind and memory that were of
great importance, but unfortunately the men had little impact on each other:
Freud understood much better than Münsterberg did the immense power of the
unconscious, but he thought that repression, rather than a dynamic act of
creation on the part of the unconscious, was the reason for the gaps and
inaccuracies in our memory; while Münsterberg understood much better than Freud
did the mechanics and the reasons for memory distortion and loss—but had no
sense at all of the unconscious processes that created them.
Every Human Mind is a Scientist
IN PHYSICS,
SCIENTISTS invent models, or theories, to describe and predict the data we
observe about the universe. Newton’s theory of gravity is one example;
Einstein’s theory of gravity is another. Those theories, though they describe
the same phenomenon, constitute very different versions of reality. Newton, for
example, imagined that masses affect each other by exerting a force, while in
Einstein’s theory the effects occur through a bending of space and time and
there is no concept of gravity as a force. Either theory could be employed to
describe, with great accuracy, the falling of an apple, but Newton’s would be
much easier to use. On the other hand, for the calculations necessary for the
satellite-based global positioning system (GPS) that helps you navigate while
driving, Newton’s theory would give the wrong answer, and so Einstein’s must be
used. Today we know that actually both theories are wrong, in the sense that
both are only approximations of what really happens in nature. But they are
also both correct, in that they each provide a very accurate and useful
description of nature in the realms in which they do apply.
As I said, in a
way, every human mind is a scientist, creating a model of the world around us,
the everyday world that our brains detect through our senses. Like our theories
of gravity, our model of the sensory world is only approximate and is based on
concepts invented by our minds. And like our theories of gravity, though our
mental models of our surroundings are not perfect, they usually work quite
well.
The world we
perceive is an artificially constructed environment whose character and
properties are as much a result of unconscious mental processing as they are a
product of real data. Nature helps us overcome gaps in information by supplying
a brain that smooths over the imperfections, at an unconscious level, before we
are even aware of any perception. Our brains do all of this without conscious
effort, as we sit in a high chair enjoying a jar of strained peas or, later in
life, on a couch, sipping a beer. We accept the visions concocted by our
unconscious minds without question, and without realizing that they are only an
interpretation, one constructed to maximize our overall chances of survival,
but not one that is in all cases the most accurate picture possible.
The New Unconscious
Though psychological science
has now come to recognize the importance of the unconscious, the internal
forces of the new unconscious have little to do with the innate drives
described by Freud, such as a boy’s desire to kill his father in order to marry
his mom, or a woman’s envy of the male sexual organ. We should certainly credit Freud with
understanding the immense power of the unconscious—this was an important
achievement—but we also have to recognize that science has cast serious doubt
on the existence of many of the specific unconscious emotional and motivational
factors he identified as molding the conscious mind. As the social psychologist
Daniel Gilbert wrote, the “supernatural flavor of Freud’s Unbewusst
[unconscious] made the concept generally unpalatable.”
The unconscious
envisioned by Freud was, in the words of a group of neuroscientists, “hot and
wet; it seethed with lust and anger; it was hallucinatory, primitive, and
irrational,” while the new unconscious is “kinder and gentler than that and
more reality bound.”12 In the new view, mental processes are thought to be
unconscious because there are portions of the mind that are inaccessible to
consciousness due to the architecture of the brain, rather than because they
have been subject to motivational forces like repression. The inaccessibility
of the new unconscious is not considered to be a defense mechanism, or unhealthy.
It is considered normal.
**
In modern times,
as I mentioned, it was Freud who popularized the unconscious. But though his
theories had great prominence in clinical applications and popular culture,
Freud influenced books and films more than he influenced experimental research
in psychology. Through most of the twentieth century, empirical psychologists
simply neglected the unconscious mind. Odd as it may sound today, in the first
half of that century, which was dominated by those in the behaviorist movement,
psychologists even sought to do away with the concept of mind altogether. They
not only likened the behavior of humans to that of animals, they considered
both humans and animals to be merely complex machines that responded to stimuli
in predictable ways.
**
Conscious thought is a great aid in designing a car or
deciphering the mathematical laws of nature, but for avoiding snake bites or
cars that swerve into your path or people who may mean to harm you, only the
speed and efficiency of the unconscious can save you.
**
Research suggests
that when it comes to understanding our feelings, we humans have an odd mix of
low ability and high confidence. You might feel certain you took a job because
it presented a challenge, but perhaps you were really more interested in the
greater prestige. You might swear you like that fellow for his sense of humor,
but you might really like him for his smile, which reminds you of your
mother’s. You might think you trust your gastroenterologist because she is a
great expert, but you might really trust her because she is a good listener.
Most of us are satisfied with our theories about ourselves and accept them with
confidence, but we rarely see those theories tested. Scientists, however, are
now able to test those theories in the laboratory, and they have proven
astonishingly inaccurate.
**
In truth,
environmental factors have a powerful—and unconscious—influence not only on how
much we choose to eat but also on how the food tastes. For example, suppose you
don’t eat just in movie theaters but sometimes go to restaurants, sometimes
even restaurants that provide more than just a menu board listing various types
of hamburgers. These more elegant restaurants commonly offer menus peppered
with terms like “crispy cucumbers,” “velvety mashed potatoes,” and
“slow-roasted beets on a bed of arugula,” as if at other restaurants the cucumbers
are limp, the mashed potatoes have the texture of wool, and the beets are
flash-fried, then made to sit up in an uncomfortable chair. Would a crispy
cucumber, by any other name, taste as crisp? Would a bacon cheeseburger,
presented in Spanish, become Mexican food? Could poetic description convert
macaroni and cheese from a limerick to a haiku? Studies show that
flowery modifiers not only tempt people to order the lyrically described foods
but also lead them to rate those foods as tasting better than the identical
foods given only a generic listing. If someone were to ask about
your taste in fine dining and you were to say, “I lean toward food served with
vivid adjectives,” you’d probably get a pretty strange look; yet a dish’s
description turns out to be an important factor in how it tastes. So the next
time you have friends over for dinner, don’t serve them salad from the store
down the street; go for the subliminal effect and serve them a mélange of local
greens.
**
... In that study
participants were asked to read a recipe for creating a Japanese lunch dish,
then to rate the amount of effort and skill they thought the recipe would
require and how likely they were to prepare the dish at home. Subjects who were
presented with the recipe in a difficult-to-read font rated the recipe as more
difficult and said they were less likely to attempt to make the dish. The
researchers repeated the experiment, showing other subjects a one-page
description of an exercise routine instead of a recipe, and found similar results:
subjects rated the exercise as harder and said they were less likely to try it
when the instructions were printed in a font that was hard to read.
Psychologists call this the “fluency effect.” If the form of information is
difficult to assimilate, that affects our judgments about the substance of that
information.
The science of
the new unconscious is full of reports about phenomena such as these, quirks in
our judgment and perception of people and events, artifacts that arise from the
usually beneficial ways in which our brains automatically process information. The point is that we are not
like computers that crunch data in a relatively straightforward manner and
calculate results. Instead, our brains are made up of a collection of many
modules that work in parallel, with complex interactions, most of which operate
outside of our consciousness. As a consequence, the real reasons behind our
judgments, feelings, and behavior can surprise us.
**
In a recent
experiment, he [Antonio Rangel] and his colleagues showed that people would pay
40 to 61 percent more for an item of junk food if, rather than choosing from a
text or image display, they were presented with the actual item. The study also
found that if the item is presented behind Plexiglas, rather than being
available for you to simply grab, your willingness to pay sinks back down to
the text and image levels. Sound weird? How about rating one detergent as being
superior to another because it comes in a blue-and-yellow box? Or would you buy
German wine rather than French because German beer hall music was playing in
the background as you walked down the liquor aisle? Would you rate the quality
of silk stockings as higher because you liked their scent?
In each of these
studies, people were strongly influenced by the irrelevant factors—the ones
that speak to our unconscious desires and motivations, which traditional
economists ignore. Moreover, when quizzed about the reasons for their
decisions, the subjects proved completely unaware that those factors had
influenced them. For example, in the detergent study, subjects were given three
different boxes of detergent and asked to try them all out for a few weeks,
then report on which they liked best and why. One box was predominantly yellow,
another blue, and the third was blue with splashes of yellow. In their reports,
the subjects overwhelmingly favored the detergent in the box with mixed colors.
Their comments included much about the relative merits of the detergents, but
none mentioned the box. Why should they? A pretty box doesn’t make the
detergent work better. But in reality it was just the box that differed—the
detergents inside were all identical. We judge products by their boxes, books
by their covers, and even corporations’ annual reports by their glossy finish.
That’s why doctors instinctively “package” themselves in nice shirts and ties
and it’s not advisable for attorneys to greet clients in Budweiser T-shirts.
Subscribe to:
Posts (Atom)