Articles about: brain
20 Psychology Myths
In society, many myths concerning various branches of psychology are commonplace. I would like to refute some of them and pass on knowledge in line with scientific research. You will also find out where some myths come from and why they are so popular.
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What causes migraine?
The cause of migraine may be malfunctioning of the brain stem nuclei, which are responsible for inhibition of trigeminal nerve, which in turn causes migraine. The brain stem can also cause so-called cortical spreading depression (CSD) associated with aura, which in some patients precedes the attack.
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The stress response
The two main biological systems involved in stress response, ie. the sympathetic system and the hypothalamic-pituitary-adrenal axis (HPA), I described in the article Biology of stress. Now a little bit more about corticoliberin, as well as the locus coeruleus in the brainstem, dopaminergic and serotonergic system and the amygdala, hippocampus and prefrontal cortex. Corticoliberin (Corticotropin-releasing hormone […]
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What you will not learn about the nervous system at school
The article presents facts about the functioning of the nervous system, according to the latest research, but not necessarily consistent with the information from textbooks. Only neurons generate the action potential – False According to the textbook knowledge, neurons’ function is to transmit information in the form of electrical stimuli (action potential), and function of […]
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Brain and religion
The relationship between brain functioning and religious feelings was realised at the end of the nineteenth century, when it was observed that epilepsy is associated with these feelings. In recent years, a new field of knowledge has developed – Neurotheology, which tries to explore the issue.
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Neurobiology of trust
The main role in trust plays oxytocin – a neurotransmitter and a hormone that also has an impact on stimulating the secretion of milk and starting labor. The role of oxytocin examined Paul J. Zak – professor of economics and clinical neurology, who after examining animal studies found that this molecule may play a role in […]
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Nicotine addiction – a sensitization-homeostasis theory
Smoking cigarettes causes psychological addiction, because it impacts the pleasure center of the brain. It also addicts physically as a result of the development of tolerance to nicotine. Some time after smoking, addicts feel withdrawal symptoms, ie. restlessness, irritability, inability to concentrate, etc. – This is the traditional theory of nicotine addiction. Joseph R. DiFranza, working as a family […]
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What is flow experience?
Flow experience is a state of deep concentration, during which we forget about everything, except what we are doing right now. A person during flow experience feels happiness and peace. Flow describes e.g. composers: “You are in a state of such ecstasy that you almost don’t exist. It has happened to me many times. My hands do not […]
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