US; +1-760-284-3222 UK; +4420-3286-3820

Cialis pill image

2

However it has appeared that activity of a brain during a dream often above, than during wakefulness. It has been established that activity нейронов of some structures of a brain during a dream essentially increases, i.

the dream is an active physiological process. Reflex reactions during a dream are lowered. The sleeping person does not react to many external influences if they have no excessive force.

The dream is characterised by phase changes ВНД which are especially distinctly shown at transition from wakefulness to a dream levelling, paradoxical, ultraparadoxical and narcotic phases. In a narcotic phase animals cease to answer with conditioned-reflex reaction to any conditional irritants. The dream is accompanied by a number of characteristic changes of vegetative indicators and bioelectric activity of a brain. For a condition of wakefulness characteristic is низкоамплитудная high-frequency ЭЭГ activity beta rhythm.

At closing of eyes this activity is replaced by an alpha rhythm, occurs засыпание the person. During this period awakening occurs easily enough. “Spindles” after a while start to arise. Approximately through 30 mines the stage of “spindles” is replaced by a stage высокоамплитудных slow teta-waves. Awakening in this stage is complicated, it is cialis pill image by a number of changes of vegetative indicators frequency of warm reductions decreases, the blood pressure decreases, body temperature, etc.

the Stage of teta-waves is replaced by a stage высокоамплитудных superslow delta-waves. Дельтасон is the period of a deep sleep. Frequency of warm reductions, arterial pressure, body temperature in this phase reach the minimum values. The medlennovolnovaja stage of a dream lasts buy cialis 5mg – 1,5 hours and are replaced by occurrence on ЭЭГ низкоамплитудной high-frequency activity, characteristic for a cialis cheap online pharmacy wakefulnesses beta rhythm which has received the name paradoxical, or быстроволнового, a dream.

Thus, all period of a dream shares on two conditions which replace each other 6-7 times within night медленноволновой orthodox dream and быстроволновой paradoxical dream. If to wake the person in a phase of a paradoxical dream he informs on dreams. The person, having cialis pill image up in a phase of a slow dream, usually does not remember dreams. If person during a dream selectively to deprive only of a paradoxical phase of a dream, for example, to awake him as soon as he passes in this phase it leads to essential infringements of mental activity.

Dream theories. The gumoralnaja theory as the dream reason considers the substances appearing in blood at long wakefulness. As the proof of this theory experiment at which to an awake dog transfused blood of the animal deprived of a dream within days serves. The Animal-recipient immediately fell asleep. Some гипногенные substances, for example пептид, causing the delta-dream now was possible to identify.

But гуморальные factors cannot be considered as the absolute reason of occurrence of a dream. Supervision over behaviour of two pairs not divided twins testify to it. At them division of nervous system has occurred completely, and blood circulation systems had set анастомозов.

These twins could sleep at various times one girl, for example, could sleep, and another was awake. Subcrustal and корковая dream theories. At various tumoral or infectious defeats subcrustal, especially deckman, brain formations, at patients various infringements of a dream – cialis pill image a sleeplessness to a long lethargical sleep that specifies in presence of the subcrustal centres of a dream are noticed. At irritation of back structures субталамуса and гипоталамуса animals fell asleep, and after the termination of irritation they woke up that specifies in presence in these structures of the centres of a dream.

In I. Pavlovas laboratory it has been established that at long development thin дифференцировочного braking animals often fell asleep. Therefore the scientist considered a dream as consequence of processes of internal braking, as deepened, poured, extended on both hemispheres and the nearest subcortex braking корковая the dream theory. However a number of the facts cialis pill image not explain корковая, subcrustal the dream theory.

Supervision over patients which did not have almost all kinds of sensitivity, have shown that cialis pill image patients run into a dream condition as soon as the stream of the information from operating sense organs interrupts.

For example, at one patient from all sense organs one eye which closing immersed a sick dream cialis pill image a condition has been kept only.

Many questions of the organisation of processes of a dream have received an explanation with opening of ascending activating influences ретикулярной formations of a trunk of a brain on a bark of the big hemispheres.

It has experimentally been proved that the dream arises in all cases of elimination of ascending activating influences ретикулярной formations on a brain bark. Descending influences of a bark of a brain on subcrustal formations have been established. In an awake condition in the presence of ascending activating influences ретикулярной formations on a brain bark нейроны a frontal bark brake activity нейронов the centre of a dream back гипоталамуса.

In a dream condition when ascending activating influences ретикулярной formations on a brain bark decrease, brake influences of a frontal bark on гипоталамические the dream centres decrease. Between limbiko-gipotalamicheskimi and ретикулярными brain structures are available реципрокные relations.

At excitation limbiko-gipotalamicheskih brain structures braking of structures ретикулярной formations of a trunk of a brain and on the contrary is observed. At wakefulness at the expense of streams афферентации from sense organs structures ретикулярной formations which make ascending activating impact on a bark of the big hemispheres are activated.

Thus нейроны frontal departments of a bark render descending brake influences on the centres of a dream back гипоталамуса that eliminates blocking influences гипоталамических the dream centres on ретикулярную a formation of an average brain.

At reduction of a stream of the touch information ascending activating influences ретикулярной formations on a brain bark decrease. Therefore brake influences of a frontal bark on нейроны the centre of a dream back гипоталамуса which start to brake even more actively cialis pill image a formation of a trunk of a brain are eliminated. In the conditions of blockade of all ascending activating influences of subcrustal formations on a brain bark the dream stage is observed медленноволновая.

The Hypotalamichesky centres at the expense cialis pill image communications with лимбическими brain structures can render ascending activating influences on a bark of a brain in the absence of influences ретикулярной to a formation of a trunk of a brain. These mechanisms make the korkovo-subcrustal theory of a dream P. Anokhin which has allowed to explain all kinds of a dream and its frustration.

She recognises that a dream condition is connected with the major mechanism – decrease in ascending activating influences ретикулярной formations on a brain bark. A dream бескорковых animals and newborn children обьясняется weak expressiveness of descending influences of a frontal bark on гипоталамические the centres of a dream which under these conditions are in an active condition and have brake an effect on нейроны ретикулярной formations of a trunk of a brain.