Neurotransmitters

What is the “fight-or-flight” response?

Following up on my neuromodulators topic (have a look at my previous posts about serotonin and oxytocin), today I will talk about the “stress” or “fight-or-flight” hormone: adrenaline. Experiencing a stressful event usually triggers the release of adrenaline, the “stress hormone”, that in turn produces well-orchestrated physiological changes. The stress response begins in the brain,… Continue reading What is the “fight-or-flight” response?

Neurotransmitters

What about the love molecule?

Following up on chemical messengers used by the brain and their modulators, today I will talk about oxytocin, the “love molecule”. Oxytocin is a neuromodulator, that is, as I already written on my previous post about serotonin, a molecule able to modulate the transmission of information among neurons. However, oxytocin is also a hormone (basically,… Continue reading What about the love molecule?