It takes time for information from our eyes to reach our brains and become part of our conscious experience. So our brains use predictions to make up the delay.
It’s hard not to be scared of an invisible and spreading threat.
AP Photo/Markus Schreiber
It can feel like everyone is stewing in anxiety about COVID-19 and seeing other people freak out can make you freak out more. A psychiatrist explains this phenomenon, and how to keep it in check.
Stress can make your life considerably less colourful.
Semnic
The internet is awash with videos that claim to use ‘binaural beats’ to improve your focus or relieve stress. But while they can influence your brain, the touted mood-enhancing effects may not be.
In preparation for possible future missions to Mars, scientists figure out how to quickly and efficiently measure brain performance and mental fatigue.
Just a few millimeters across, organoids are clumps of cells that resemble the brain.
Madeline Andrews, Arnold Kriegstein's lab, UCSF
Brain organoids are tiny models that neuroscientists use to learn more about how the brain grows and works. But new research finds important differences between the model and the real thing.
Our mental health benefits when nature is part of our neighbourhoods, as in this residential street in Fitzroy, Melbourne.
Melanie Thomson
It’s well-established that green spaces are good for our well-being. Now we can demonstrate that greater biodiversity boosts this benefit, as well as helping to sustain native plants and animals.
Alcohol interferes with the consolidation and retrieval of memories, leading to confusion and uncertainty the next day.
(Shutterstock)
A scholar who studies consumer decision-making explains just what it is in the human mind that makes people susceptible to nudges toward one behavior or another.
The teenage brain has a voracious drive for reward, diminished behavioural control and a susceptibility to be shaped by experience. This often manifests as a reduced ability to resist high-calorie junk foods.
(Shutterstock)
Excessively eating junk foods during adolescence could alter brain development, leading to lasting poor diet habits. But, like a muscle, the brain can be exercised to improve willpower.
Neurostimulation is rife with potential and pitfalls.
Metamorworks/Shutterstock
From dementia to depression to drug addiction, artificial brain stimulation has been hailed as a landmark medical technology for the future. But safeguards are needed if we want the benefits without the risks.
It’s these brain cells that really make humans unique.
anyaivanova/Shutterstock.com
We have more neurons in our cortices than any other species, courtesy of an early technology – and along with them came our long, slow lives, with plenty of chances to gather around the dinner table.
Those smiles probably aren’t thanks to tryptophan.
Monkey Business Images/Shutterstock.com
Tryptophan, found in food, is an important ingredient in the neurotransmitter serotonin. But is that enough to support it as a possible mood booster? The research is decidedly mixed.