How time perception is warped by life-threatening situations, eye movements, tiredness, hypnosis, age, the emotions and more…

The mind does funny things to our experience of time. Just ask French cave expert Michel Siffre.

In 1962 Siffre went to live in a cave that was completely isolated from mechanical clocks and natural light. He soon began to experience a huge change in his perception of time.

When he tried to measure out two minutes by counting up to 120 at one-second intervals, it took him 5 minutes. After emerging from the cave he guessed the trip had lasted 34 days. He’d actually been down there for 59 days. His experience of time was rapidly changing. From an outside perspective he was slowing down, but the psychological experience for Siffre was that time was speeding up.

But you don’t have to hide out in a cave for a couple of months to warp time, it happens to us all the time. Our experience of time is flexible; it depends on attention, motivation, the emotions and more.

1. Life-threatening situations

People often report that time seems to slow down in life-threatening situations, like skydiving.

But are we really processing more information in these seconds when time seems to stretch? Is it like slow-motion cameras in sports which can actually see more details of the high-speed action?

To test this, Stetson et al. (2007) had people staring at a special chronometer while free-falling 50 metres into a net. What they found was that time resolution doesn’t increase: we’re not able to distinguish shorter periods of time when in danger. What happens is we remember the time as longer because we record more of the experience. Life-threatening experiences make us really pay attention but we don’t gain superhuman powers of perception.

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Science has had remarkable success in explaining the structure and functioning of the material world, but when it comes to the inner world of the mind science falls curiously silent. There is nothing in physics, chemistry, biology, or any other science that can account for our having an interior world. In a strange way, scientists would be much happier if there were no such thing as consciousness.

David Chalmers, professor of philosophy at the University of Arizona, calls this the "hard problem" of consciousness. The so-called "easy problems" are those concerned with brain function and its correlation with mental phenomena: how, for example, we discriminate, categorize, and react to stimuli; how incoming sensory data are integrated with past experience; how we focus our attention; and what distinguishes wakefulness from sleep.

To say these problems are easy is, of course, a relative assessment. Solutions will probably entail years of dedicated and difficult research. Nevertheless, given sufficient time and effort, we expect that these "easy problems" will eventually be solved.

The really hard problem is consciousness itself. Why should the complex processing of information in the brain lead to an inner experience? Why doesn’t it all go on in the dark, without any subjective aspect? Why do we have any inner life at all?

I now believe this is not so much a hard problem as an impossible problem–impossible, that is, within the current scientific worldview. Our inability to account for consciousness is the trigger that will, in time, push Western science into what the American philosopher, Thomas Kuhn, called a "paradigm shift."

An excerpt from….

What psychological roles does music play in our lives?

Modern technology means it’s never been easier to hear exactly the music we want, whenever we want it. But whatever technology we use, the reasons we listen to music are universal.

Music grabs our emotions instantly in a way few other art-forms can manage. It engages us on all sorts of different levels. A few bars of a song can take us back decades, to a different time and place.

So what are the universal psychological functions of music? Lonsdale and North (2010) asked 300 young people about their main reasons for listening to music to see which came out top. Here are the answers, in order of importance, counted down from six to the number one spot.

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Everybody knows what you mean when you say you’re happy or sad. But what about all those emotional states you don’t have words for? Here are ten feelings you may have had, but never knew how to explain.

1. Dysphoria

Often used to describe depression in psychological disorders, dysphoria is general state of sadness that includes restlessness, lack of energy, anxiety, and vague irritation. It is the opposite of euphoria, and is different from typical sadness because it often includes a kind of jumpiness and some anger. You have probably experienced it when coming down from a stimulant like chocolate, coffee, or something stronger. Or you may have felt it in response to a distressing situation, extreme boredom, or depression.

2. Enthrallment
Psychology professor W. Gerrod Parrott has broken down human emotions into subcategories, which themselves have their own subcategories. Most of the emotions he identifies, like joy and anger, are pretty recognizable. But one subset of joy, "enthrallment," you may not have heard of before. Unlike the perkier subcategories of joy like cheerfulness, zest, and relief, enthrallment is a state of intense rapture. It is not the same as love or lust. You might experience it when you see an incredible spectacle — a concert, a movie, a rocket taking off — that captures all your attention and elevates your mood to tremendous heights.

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In Yasunari Kawabata’s unsettling short story, Yumiura, a novelist receives an unexpected visit from a woman who says she knew him 30 years earlier. They met when he visited the town of Yumiura during a harbor festival, the woman explains. But the novelist cannot remember her. Plagued recently by other troublesome memory lapses, he sees this latest incident as a further sign of mental decline. His discomfort turns to alarm when the woman offers more revelations about what happened on a day when he visited her room. “You asked me to marry you,” she recalls wistfully. The novelist reels while contemplating the magnitude of what he had forgotten. The woman explains that she had never forgotten their time together and felt continually burdened by her memories of him.

After she finally leaves, the shaken novelist searches maps for the town of Yumiura with the hope of triggering recall of the place and the reasons why he had gone there. But no maps or books list a town called Yumiura. The novelist then realizes that he could not have been in the part of the country the woman described at the time she remembered. Her detailed, heartfelt and convincing memories were entirely false.

Seven different ways that memory can mess with your head and your life, and ways to identify them.

By Daniel Schacter

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