Showing posts with label Psycological effects. Show all posts
Showing posts with label Psycological effects. Show all posts

Thursday, 4 August 2011

6 Easy Steps to Falling Asleep Fast

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Psychological research over three decades demonstrates the power of Stimulus Control Therapy.
Can't get a good night's sleep? You're not alone. In surveys of what would improve people's lives, a good night's sleep frequently comes near the top of the list.
Poor sleep results in worse cognitive performance, including degraded memory, attention, performance and alertness. And in the long term insomnia is also associated with anxiety and depression. And people's sleep gets worse as they get older. After 65 years old, between 12% and 40% of people have insomnia.
All sorts of methods have been tried to combat poor sleep, from drugs through psychological remedies to more outlandish treatments.
The problem with drugs is that they have side-effects and are often addictive. The problem with the more outlandish treatments is that although they tend not to have side-effects, we don't know if they have any effect at all. Psychological remedies, though, combine the best of both worlds: studies show they work without side-effects.

Stimulus Control Therapy

Professor Richard R. Bootzin has been researching sleep disorders for many years at the University of Arizona Sleep Research Lab. Writing in the Annual Review of Clinical Psychology, he describes the different psychological approaches that have been used to treat insomnia (Bootzin & Epstein, 2011).
Of these the most successful single intervention is called Stimulus Control Therapy (Morin et al., 2006). You'll be happy to hear it consists of six very straightforward steps. If you follow these it should improve your sleep. After the list I'll explain the thinking behind them. First, here are their six steps:
  1. Lie down to go to sleep only when you are sleepy.
  2. Do not use your bed for anything except sleep; that is, do not read, watch television, eat, or worry in bed. Sexual activity is the only exception to this rule. On such occasions, the instructions are to be followed afterwards, when you intend to go to sleep.
  3. If you find yourself unable to fall asleep, get up and go into another room. Stay up as long as you wish and then return to the  bedroom to sleep. Although we do not want you to watch the clock, we want you to get out of bed if you do not fall asleep immediately. Remember the goal is to associate your bed with falling asleep quickly! If you are in bed more than about 10 minutes without falling asleep and have not gotten up, you are not following this instruction.
  4. If you still cannot fall asleep, repeat step 3. Do this as often as is necessary throughout the night.
  5. Set your alarm and get up at the same time every morning irrespective of how much sleep you got during the night. This will help your body acquire a consistent sleep rhythm.
  6. Do not nap during the day.

Why it works

This method is based on the idea that we are like Pavlov's drooling dog. We attach certain stimuli in the environment to certain thoughts and behaviours. Famously Pavlov's dogs would start drooling when a bell rang, because they associated hearing the bell with getting food. Eventually the dogs would drool at the sound of the bell even when they didn't get any food. Replace the bell with a bed and food with sleep and conceptually you're there.
If we learn to do all kinds of things in bed that aren't sleep, then when we do want to use it for sleep, it's harder because of those other associations.
This is just as true of thoughts as it is of actions. It's important to avoid watching TV in bed, but it's also important to avoid lying in bed worrying about not being able to get to sleep. Because then you learn to associate bed with worry. Worse, you suffer anticipatory anxiety: anxiety about the anxiety you'll feel when you are trying to get to sleep.
So, this therapy works by strengthening the association between bed and sleep and weakening the association between bed and everything else (apart from sex!).
Other treatments supported by the research are progressive muscle relaxation, which is exactly what it sounds like, and paradoxical intention. This latter technique involves stopping people trying so hard to get to sleep. The paradox being that when people stop trying so hard, they find it easier to fall asleep.
All this assumes you don't live next door to a late night drummer and you're not downing a double espresso before hitting the sack, but those sorts of things are pretty obvious. Everything else being equal, though, Stimulus Control Therapy seems the easiest for most people to implement.

Tuesday, 2 August 2011

10 Psychological Effects of Nonsexual Touch

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Psychological research on how a simple (nonsexual) touch can increase compliance, helping behaviour, attraction, and signal power.
To get around in the world, we mainly rely on our eyes and ears. Touch is a sense that's often forgotten.
But touch is also vital in the way we understand and experience the world. Even the lightest touch on the upper arm can influence the way we think. To prove it, here are 10 psychological effects which show just how powerful nonsexual touch can be.

1. Touch for money

A well-timed touch can encourage other people to return a lost item. In one experiment, users of a phone booth who were touched were more likely to return a lost dime to an experimenter (Kleinke, 1977). The action was no more than a light touch on the arm.
People will do more than that though; people will give a bigger tip to a waitress who has touched them (Crusco & Wetzel, 1984).
(Stop giggling at the back there!)

2. Touch for help

People are also more likely to provide help when touched. In one study, strangers who were touched lightly on the arm were more likely to help an experimenter pick up things they had dropped (Gueguen, 2003). The percentage of people who helped went up from 63% to 90%.

3. Touch for compliance

The power of a light touch on the upper arm often extends more broadly to compliance.
In a study by Willis and Hamm (1980), participants were asked to sign a petition. While 55% of those not touched agreed to sign it, this went up to 81% of those participants touched once on the upper arm. A second study asked people to fill in a questionnaire. The same touch increased compliance from 40% to 70%.

4. Touch twice for more compliance

And you can increase compliance with a second light touch on the arm.
Vaidis and Halimi-Falkowicz (2008) tried this out when asking people in the street to complete a questionnaire. Those touched twice were more likely to complete the questionnaire than those touched once. The effects were strongest when men were touched by a female surveyor.

5. Or, touch for a fight!

However, the acceptability of touch, especially between men, depends a lot on culture.
When Dolinski (2010) carried out a compliance experiment in Poland, he got quite different results for men and women. In Poland men asked to do the experimenter a favour reacted badly to a light touch on the arm. This seemed to be related to higher levels of homophobia. Women, however, still reacted positively to touch.

6. Touch to sell your car

Unlike Poland, France has a contact culture and touching is acceptable between two men. So French researchers Erceau and Gueguen (2007) approached random men at a second-hand car market. Half were touched lightly on the arm for 1 second, the other half weren't.
Afterwards those who had been touched rated the seller as more sincere, friendly, honest, agreeable and kind. Not bad for a 1-second touch. We can safely assume the results would have been quite different in Poland!

7. Touch for a date

You won't be surprised to hear that men show more interest in a woman who has lightly touched them. But here's the research anyway: Gueguen (2010) found men easily misinterpreted a light nonsexual touch on the arm as a show of sexual interest.
Perhaps more surprisingly women also responded well to a light touch on the arm when being asked for their phone number by a man in the street (Gueguen, 2007). This may be because women associated a light 1 or 2-second touch with greater dominance. (Bear in mind, though, that this research was in France again!)

8. Touch for power

Touch communicates something vital about power relationships. Henley (1973)observed people in a major city as they went about their daily business. The people who tended to touch others (versus those being touched) were usually higher status. Generally we regard people who touch others as having more power in society (Summerhayes & Suchner, 1978).

9. Touch to communicate

Touch comes in many different forms and can communicate a variety of different emotions. Just how much can be communicated through touch alone is demonstrated by one remarkable study by Hertenstein et al. (2006).
Using only a touch on the forearm, participants in this study tried to communicate 12 separate emotions to another person. The receiver, despite not being able to see the toucher, or the touch itself, were pretty accurate for anger, fear, disgust, love, gratitude and sympathy. Accuracy ranged from 48% to 83%.
To put it in context, that is as good as we can do when we can see someone's face.

10. Massage for maths

So, if you can do all that with a touch, imagine what you could do with a massage!
Well, one study has found that it can boost your maths skills (Field, 1996). Compared with a control group, participants who received massages twice a week for 5 weeks were not only more relaxed but also did better on a maths test. Once again, witness the incredible power of touch.

Boring disclaimer

All of these studies rely on the touch being appropriate. Being touched can have quite different meanings depending on situation, culture and gender. Generally the touch referred to is a light touch on the upper arm—the safest place to touch someone you don't know.
Also, research has identified a small proportion of people—both men and women—who don't like to be touched at all during everyday social interactions. These people are not likely to respond positively in any of these situations.
 
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