ISNR

Happy autumn equinox. As the days get shorter, here is something worth knowing: light sets your brain’s clock.
Your internal clock takes its strongest cue from light, especially in the morning. That daily light helps anchor your
sleep, energy, and mood. When light gets scarce in fall and winter, some people notice their mood dip with it.
A simple seasonal tip: catch some morning light when you can.

Today is World Alzheimer’s Day. Here is a hopeful idea from brain science: cognitive reserve.
Cognitive reserve is the brain’s ability to keep working well despite age or disease-related change. Lifelong learning,
meaningful work, staying socially connected, and staying physically active are all linked to more of it.
Reserve is not a cure, but it is a reminder that the things we do across a lifetime help build resilience for later. What
keeps your mind engaged?

Are you “left-brained and logical” or “right-brained and creative”? It is a fun idea, but it is a myth.
Researchers scanned the brains of more than 1,000 people. Yes, certain jobs lean to one side, like language on the
left. But no one had a stronger overall left or right brain that shaped their personality. We all use both sides, all the
time.
A good reminder to check the popular brain claims against the science.

That feeling of being “in the zone,” where everything clicks and the inner critic goes silent, has a name: flow. So what
is the brain doing?
One leading idea is that during flow, the part of the brain behind self-monitoring and second-guessing quiets down.
With the critic turned low, your attention locks onto the task and it starts to feel effortless.
Sometimes your best work comes from getting out of your own way.

Some neurofeedback approaches work with the brain’s slower rhythms. Alpha-theta training is one of them.
Alpha and theta rhythms show up in deeply relaxed, inward states, the drifting feeling right before sleep. Alpha-theta
protocols aim to help people find and get familiar with that calm space.
The brain has many gears. This one lives on the quiet end.

If you live with migraine, you know it is about far more than a headache. One non-drug approach with solid research
behind it is biofeedback.
A large review of 55 studies found that biofeedback meaningfully reduced headaches, especially how often they
happened, and the benefits lasted well after treatment ended. People also felt more able to influence their own
symptoms.
Always worth exploring options with a qualified professional.

What is a QEEG? Think of it as a map of the brain's electrical rhythms.
A regular EEG records brain activity. A QEEG analyzes that recording and turns it into a picture of how
different brainwave patterns show up across the head. Clinicians and researchers use it to inform assessment
and, sometimes, to help guide neurofeedback.
Like any map, it is only as helpful as the skill of the person reading it.

Is fish really brain food? Sort of, and the real story is interesting.
The omega-3 DHA is a major building block of your brain cells, so researchers have long asked whether
getting more of it helps memory and thinking. The evidence is genuinely mixed: some studies show benefits,
while others find little effect in already-healthy adults. Diet and starting levels seem to matter.
A balanced diet is still a solid bet for your brain.

Take a slow breath out. That settling feeling? Say hello to your vagus nerve.
The vagus is a key part of the system that helps your body rest and recover. Its effect on your heartbeat
shows up as heart rate variability, one sign of how flexibly your nervous system can shift from stress toward
calm.
Small practices like slow breathing are one way to give it a nudge.

Here is a corner of neurofeedback research with a long and hopeful track record: epilepsy.
A 2009 review pooled ten studies of EEG training in people whose seizures had not responded well to
medication, and found that training was linked to fewer seizures. The studies were small, and the researchers
say so plainly, but for people with limited options, that is a meaningful signal.
Training the brain's own rhythms has a more serious history than many realize.