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  2. Oxiracetam - Wikipedia

    en.wikipedia.org/wiki/Oxiracetam

    Clearance rates range from 9 to 95 ml/min and steady-state concentrations when 800 mg is given twice daily range from 60 μM to 530 μM. The highest brain concentrations of oxiracetam are found in the septum pellucidum , followed by the hippocampus , the cerebral cortex and with the lowest concentrations in the striatum after a 200 mg/kg oral ...

  3. Kavain - Wikipedia

    en.wikipedia.org/wiki/Kavain

    Kavain has anticonvulsive properties, attenuating vascular smooth muscle contraction through interactions with voltage-dependent Na + and Ca 2+ channels. [1] How this effect is mediated, and to what extent this mechanism is involved in the anxiolytic and analgesic effects of kavalactones on the central nervous system, is unknown.

  4. Kava - Wikipedia

    en.wikipedia.org/wiki/Kava

    Kava or kava kava (Piper methysticum: Latin 'pepper' and Latinized Greek 'intoxicating') is a plant in the pepper family, native to the Pacific Islands. [1] The name kava is from Tongan and Marquesan , meaning 'bitter.’ [ 1 ] Other names for kava include ʻawa ( Hawaiʻi ), [ 2 ] ʻava ( Samoa ), yaqona or yagona ( Fiji ), [ 3 ] sakau ...

  5. Nootropic - Wikipedia

    en.wikipedia.org/wiki/Nootropic

    Nootropics (/ n oʊ. ə ˈ t r oʊ p ɪ k s / noh-ə-TROHP-iks or / n oʊ. ə ˈ t r ɒ p ɪ k s / noh-ə-TROP-iks), [1] colloquially brain supplements, smart drugs and cognitive enhancers, are natural, semisynthetic or synthetic compounds which purportedly improve cognitive functions, such as executive functions, attention or memory.

  6. Effects of meditation - Wikipedia

    en.wikipedia.org/wiki/Effects_of_meditation

    Electroencephalography has been used for meditation research.. The psychological and physiological effects of meditation have been studied. In recent years, studies of meditation have increasingly involved the use of modern instruments, such as functional magnetic resonance imaging and electroencephalography, which are able to observe brain physiology and neural activity in living subjects ...

  7. Phenylpiracetam - Wikipedia

    en.wikipedia.org/wiki/Phenylpiracetam

    Phenylpiracetam, also known as fonturacetam (INN Tooltip International nonproprietary name) and sold under the brand names Phenotropil, Actitropil, and Carphedon among others, is a stimulant and nootropic medication used in Russia and certain other Eastern European countries in the treatment of cerebrovascular deficiency, depression, apathy, and attention, and memory problems, among other ...

  8. Brain size - Wikipedia

    en.wikipedia.org/wiki/Brain_size

    The size of the brain is a frequent topic of study within the fields of anatomy, biological anthropology, animal science and evolution.Measuring brain size and cranial capacity is relevant both to humans and other animals, and can be done by weight or volume via MRI scans, by skull volume, or by neuroimaging intelligence testing.

  9. Effects of sleep deprivation on cognitive performance

    en.wikipedia.org/wiki/Effects_of_sleep...

    Additionally, lack of sleep causes increased anxiety-like behaviors and impairs the brain's ability to block out unimportant stimuli when performing tasks requiring attention. Disruptions in important brain circuits and the downregulation of proteins necessary for cognitive stability are the causes of these behavioral abnormalities. [30]

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