Brain facts

What about the “molecule of motivation”?

On this post I will continue writing about neurotransmitters (see this post for a quick explanation of the term neurotransmitter) and today I will focus on dopamine, a neurotransmitter involved in movement, or better, motor control (unfortunately, defects in the dopaminergic systems are well known by Parkinson patients and their families) as well as executive… Continue reading What about the “molecule of motivation”?

Brain facts

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?

University years

How do benzodiazepines work?

Another very interesting course that I attended during my first year of Neurobiology Master‘s was the one called “Neurochemistry and Neuropharmacology”. During this course, we finally started studying the different chemicals, called neurotransmitters, produced by neurons in the nervous system. As I have already written in an old post, neurons communicate through electricity and chemical… Continue reading How do benzodiazepines work?