evolutionary theory is predicated on by gender equality

Viewpoint: Evolutionary theory is predicated on gender equality. Here’s why

Nigel Barber | Psychology Today |
Evolutionary theory is predicated on gender equality because parents have an equal genetic contribution to children. It is the only ...
Female anatomy evolution

Why has female sexual health research been so neglected?

Nigel Barber | Psychology Today |
In a recent News Hour segment on PBS television, doctors and researchers pointed out that female sexual topics were largely ...
Genetics doesn't cement your personality traits.

Viewpoint: Our personalities are genetically shaped but not hardwired

Gary Drevitch | Psychology Today |
Everything about us is partly genetic, but this doesn’t mean genes determine our traits. Our genes assemble every aspect of ...
The downside of human intelligence

The downside of human intelligence

Marc Bekoff | Psychology Today |
I recently read and thoroughly enjoyed Dr. Justin Gregg's new book If Nietzsche Were a Narwhal: What Animal Intelligence Reveals ...
Why do we yawn? Here are several theories on the evolution of this sleepy signal

Why do we yawn? Here are several theories on the evolution of this sleepy signal

Dustin Ballard | Psychology Today |
Obviously, people and other animals yawn when they are tired; we all know that. But there must be more to ...
Updating the ‘serotonin hypothesis': Mental illness is way more complex than a chemical imbalance

Updating the ‘serotonin hypothesis’: Mental illness is way more complex than a chemical imbalance

Almost as soon as it was floated in 1965 by Harvard psychiatrist Joseph Schildkraut, the serotonin hypothesis of depression—reduced and ...
‘Dark personalities’: When are destructive traits like narcissism and psychopathy most likely to appear?

‘Dark personalities’: When are destructive traits like narcissism and psychopathy most likely to appear?

Stories about insufferable teenagers, selfish college students, or inconsiderate older adults have one thing in common: They attribute the presence ...
Here's what we still don't understand about consciousness

Here’s what we still don’t understand about consciousness

The mind-body problem addresses one of the fundamental questions of science and humanity. How is consciousness related to the body ...
Sexsomnia, sleepwalking and sleep terrors: 3 misunderstood disorders reveal hidden secrets of the brain

Sexsomnia, sleepwalking and sleep terrors: 3 misunderstood disorders reveal hidden secrets of the brain

Gary Drevich | Psychology Today |
Currently, little is known about the origin or neurobiology of sleeping disorders. Recent research has revealed that sleepwalking, night terrors, ...
‘Little brain’: What is the science behind superfluid thinking?

‘Little brain’: What is the science behind superfluid thinking?

Chistopher Bergland | Psychology Today |
Until recently, the human cerebellum was viewed primarily as a brain region that's sole job was to coordinate motor movements; ...
Did cannibalism play a role in the extinction of the Neanderthals?

Did cannibalism play a role in the extinction of the Neanderthals?

Frederick Coolidge | Psychology Today |
Spanish anthropologists Jordi Augustí and Xavier Rubio-Campillo (2016) conducted a virtual experiment to study factors underlying the extinction of Neandertals ...
Is ‘sex addiction’ a real disorder — or an excuse?

Is ‘sex addiction’ a real disorder — or an excuse?

Craig Harper | Psychology Today |
Another week, another sex addict. Or so it seems. In the most recent case of a celebrity claiming 'sex addiction' ...
What is a human being? The evolution of ‘personhood’

What is a human being? The evolution of ‘personhood’

Gregg Henriques | Psychology Today |
It is at the intersection between psychology and the social sciences (as well as humanities and philosophy) that we find ...
Why does time slow down when we’re afraid?

Why does time slow down when we’re afraid?

Lisa Broderick | Psychology Today |
There is evidence that experiences of slowed-down time—such as when someone is in grave danger—may not simply be “in our ...
Why exercising more doesn’t necessarily lead to weight loss

Why exercising more doesn’t necessarily lead to weight loss

Gary Wenk | Psychology Today |
Scientific studies have shown overwhelmingly that a 25 percent reduction in daily calorie intake will significantly improve your health far ...
The intriguing brain science of left-handedness

The intriguing brain science of left-handedness

Handedness is one of many functional left-right differences in the brain. Specifically, in left-handers, the motor cortex in the right ...
Facial structure and sex: Women can intuitively read features to assess whether a man is interested in a long-term relationship or a casual romp

Facial structure and sex: Women can intuitively read features to assess whether a man is interested in a long-term relationship or a casual romp

Wouldn’t it be great if you could tell, just by studying [someone's] face, whether they’re interested in a long-term relationship ...
Neuroscience of emotions: what we ‘see’ — smiles, frowns, puckered brows — are actually social constructs that your brain has learned from infancy

Neuroscience of emotions: what we ‘see’ — smiles, frowns, puckered brows — are actually social constructs that your brain has learned from infancy

Nick Morgan | Psychology Today |
If you show pictures of actors portraying [common] emotions to people in all corners of the earth, they pretty reliably ...
Viewpoint: A case for moderate exercise — We get the most cognitive benefits by ‘performing activities that we evolved to perform’

Viewpoint: A case for moderate exercise — We get the most cognitive benefits by ‘performing activities that we evolved to perform’

Your body clearly benefits from a daily moderate level of exercising. Does your brain care?  Yes, your brain does pay ...
Here is the consensus theory of why Neanderthals went extinct

Here is the consensus theory of why Neanderthals went extinct

Noting over “a dozen serious hypotheses'' about the enigmatic disappearance of our nearest cousins [the neanderthals, researchers] conducted a poll ...
Our ‘evolutionary superhighway’: How the brain connects smells and memories

Our ‘evolutionary superhighway’: How the brain connects smells and memories

Whereas other sensory systems are thought to have been re-routed during human evolution, [a new] study suggests that olfactory-hippocampal functional ...
Why cooperation based on reciprocity is unique to humans

Why cooperation based on reciprocity is unique to humans

It has long been known that human cooperation is so successful in large part because of our reciprocity. We help ...
Viewpoint: Reducing the number of Down syndrome births is a form of eugenics

Viewpoint: Reducing the number of Down syndrome births is a form of eugenics

Richard Gunderman | Psychology Today |
No one should underestimate the complexity and difficulty of deciding whether to test for Down syndrome or terminate a pregnancy ...
How honest are you? When do you think it’s okay to deceive? It may be hard-wired

How honest are you? When do you think it’s okay to deceive? It may be hard-wired

Christian Hart | Psychology Today |
Humans are a social species. There is pretty compelling evidence that without cooperation, people are much less likely to survive ...
How do physiological processes produce a conscious state of mind?

How do physiological processes produce a conscious state of mind?

Mark Solms | Psychology Today |
I believe there are two reasons why we have failed to solve the hard part of the problem [of consciousness] ...
‘Extinguishing of other species is one of our defining traits’: How humans are destroying the world’s animals, insects and plants

‘Extinguishing of other species is one of our defining traits’: How humans are destroying the world’s animals, insects and plants

Mark Rowlands | Psychology Today |
If extinctions are events, they are so only in geological time, and geological time is rather vast. The late Devonian ...
How evolution and genetics shape human morality

How evolution and genetics shape human morality

Ralph Lewis | Psychology Today |
There is a large body of research demonstrating and delineating the complex moral instincts of young children, including babies far ...
The growing tachysensia community: What is it like when our mind’s speedometer goes awry?

The growing tachysensia community: What is it like when our mind’s speedometer goes awry?

Joseph Mazur | Psychology Today |
Drive for an hour at 65 mph on an interstate alongside other vehicles moving at similar speeds. Then take an exit ...