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skoczek na spadochronie
skoczek na spadochronie

Skydiving prevents depression?

Neurobiology, Skydiving, 21-08-2015

French scientists based on skydivers research published in 1999, found that sensation seeking can be an adaptive response to anhedonia, ie. an inability to experience pleasure. The creator of the theory of sensation seeking stated that the physiological basis of sensation seeking is the optimal level of arousal – in patients that achieve high scores in this scale […]

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skok w tandemie
skok w tandemie

Time perception during tandem skydive

Psychology, Skydiving, 19-08-2015

The stories of people who during traumatic events seemed that time slowed down or stopped are well known. There are not many scientific studies that investigate the issue, but several scientists investigated this phenomenon in the lab. They showed among other that while viewing a stressful film about a bank robbery, the respondents were under the […]

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szybowiec
szybowiec

Emotions during the first parachute jump and glider flight

Psychology, Skydiving, 15-08-2015

According to the Solomon’s theory Solomon negative emotions are followed by positive emotions because the nervous system seeks to compensate emotions and reach optimal level. The opposite emotion is formed slowly and lasts longer than its original state.

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endorfina
endorfina

Endorphins

Neurobiology, Psychology, 13-08-2015

Endorphins are opioid peptides, were identified in 1975 and their name comes from the words “Endogenous morphine,” that is produced in the body morphine. Due to the induced state of euphoric endorphins are often called “hormone of happiness”. There are a lot of molecules belonging to the group of endorphins; the most researched is beta-endorphin.

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religia
religia

Brain and religion

Neurobiology, 04-08-2015

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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oksytocyna
oksytocyna

Neurobiology of trust

Neurobiology, 24-07-2015

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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neuron
neuron

The role of white matter in learning and mental illnesses

Neurobiology, 14-07-2015

The nervous system consists of gray matter and white matter. Grey matter is found mainly in the cortex, and is composed of the cell bodies of neurons (“gray cells”). White matter is nerve cell bodies projections (axons), which transmit information from the cell bodies to synapses connecting the neurons to each other. The majority of axons are […]

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papieros
papieros

Nicotine addiction – a sensitization-homeostasis theory

Neurobiology, 21-06-2015

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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skoki spadochronowe
skoki spadochronowe

Sensation seeking

Neurobiology, Psychology, 20-06-2015

The concept “sensation seeking” was developed in 1979 by Marvin Zuckerman and its definition is “the search of varied, novel, complex and intense feelings and experiences, and readiness to take physical, social, legal, and financial risks for the sake of such experiences”. 

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adrenalina
adrenalina

The biology of stress

Neurobiology, 20-06-2015

The stress response involves two biological systems – the sympathetic nervous system, which is activated first and hypothalamic–pituitary–adrenal axis (HPA axis), which takes effect after a certain time.

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