noradrenaline necklace | silver vermeil The Petri dish is the

The Petri dish is the icon of microbiology

Opioids disinhibit VTA dopamine neurons

It is the moment where the genetic code stops being information and becomes chemistry

Serotonin is the molecule that changes how the brain responds to sensation and salience

Because the optical microscope is the daily instrument

noradrenaline necklace | silver vermeil The Petri dish is thenoradrenaline necklace sterling silver The locus coeruleus is a brainstem nucleus smaller than a grain of rice. It contains roughly 50,000 neurons. Yet through noradrenaline, it modulates arousal, attention, vigilance, and threat response across the entire cortex. One tiny structure setting the brain's gain. The Science Behind Noradrenaline Noradrenaline (norepinephrine) is a catecholamine neurotransmitter synthesised from the amino acid tyrosine,