The fashion advice is generally to tighten ties so they’re tight but not too tight.
Wearing a tie that causes slight discomfort can reduce blood flow to the brain by 7.5%, but the reduction is unlikely to cause any physical symptoms, which generally begin at a reduction of 10%.
Researchers are under pressure to deliver publications and win grants.
Without a national office for research integrity, Australia risks losing scientists and research funders to countries with more robust setups.
About half of studies of some types of brain stimulation cannot be reproduced. So, how do we know if these work?
Electrical brain stimulation is used to treat a range of conditions, from depression to epilepsy. But how confident can we be that it works?
Laws introduced in 2009 and 2010 stipulate specific car restraints for children of different ages.
Car seats and their endless harnesses, straps and buckles feel like an engineering nightmare for parents. But they work.
Snoring occurs due to vibration of the soft tissues of your upper airway.
Snoring has been linked to serious health conditions such as obstructive sleep apnoea and even cardiovascular disease.
While dizziness might be annoying when mild and infrequent, it can also be severely debilitating and impairing.
It is estimated 30% of the general population have experienced moderate to severe dizziness at least once in their lifetime.
Most functions attributed to the soul can be explained by the brain.
Many people believe they have a soul. But for psychologists, who study behaviour, it is not so much that souls do not exist, it is that there is no need for them.
Good science loses out when bad science gets the funding.
New studies on the quality of published research shows we could be wasting billions of dollars a year on bad science, to the neglect of good science projects.
Dementia can affect the ability to perform tasks such as dressing, showering and eating.
Dementia is the third leading cause of death in Australia. As the population ages, the number of people with dementia is expected to rise, as is the number of deaths from dementia.
Does your mum list all your siblings’ names before she gets to yours? Don’t worry, she doesn’t love them more.
How often has your own mother forgotten your name? Does she ever cycle through the names of each of your siblings – and perhaps even the family pet – before getting to yours?
There are a few explanations as to why some people faint when they get needles or feel pain.
Most people find the sight of blood or a hypodermic needle enough to cause some discomfort, but why is it that some people faint when they’re faced with them?
Some people believe stretching reduces the risk of injury, reduces soreness experienced after exercise, or enhances sporting performance.
Many people stretch when they exercise or play sport. Others don’t stretch but feel they should. And some people don’t see any reason to stretch at all.
The difference between “real” time, measured by clocks, and our own sense of time can sometimes seem enormous.
Seán Ó Domhnaill/Flickr
While few will dispute that a minute comprises 60 seconds, the perception of time can vary dramatically from person to person and from one situation to the next. Time can race, or it can drag.
The answer is a resounding no – brains are more sophisticated than that.
The brain is truly a marvel. A seemingly endless library, whose shelves house our most precious memories as well as our lifetime's knowledge. But is there a point where it reaches capacity?
It’s time for lovers to exchange images of the organ really responsible for their emotions on Valentine’s Day.
Emil Jeyaratnam/The Conversation
In William Shakespeare’s comedy Merchant of Venice, the play’s heroine Portia sings: Tell me where is fancy bred, Or in the heart or in the head. If you look at Valentine’s Day cards, it’s clear fancy…
Still Alice is a window into the lives of the millions of people living with Alzheimer’s disease.
For many of us, memories are our most precious possessions; they makes us the people we are. Consider how you would feel then if your memories were stripped from you, as they are from people diagnosed…
The curious want to know more and can remember more.
Flickr/Wagner T Cassimiro Aranha
The more curious we are about a topic, the easier it is to remember not only information about that topic, but also other…
The risk of Alzheimer’s increases with age.
Alzheimer’s disease causes progressive damage to the brain, resulting in problems with memory, cognition, social engagement, and, ultimately, a person’s ability to care for themselves. Alzheimer’s is the…
While a flinch, or a grimace may provide us with clues, ultimately we only know that someone’s in pain if they tell us.
the italian voice/Flickr
We now know that there’s much more to pain than simply what is happening in the painful body part, and attention has turned to the role of the brain. But not even this mysterious organ can tell us everything…
Animal-based therapies have a positive effect but having them visit nursing homes has a number of drawbacks.
Late-stage dementia is characterised by increasing agitation that can be distressing for the person with the illness and their carers. So, researchers are investigating whether robots disguised as animals…