The motoneurons and the secondary muscle spindle afferents transiently synchronized their firing upon repetitive touch, pin-prick and dimpling stimulation of the perianal skin inside the anal reflex area, by reducing the duration of their oscillation period until resetting of the oscillation cycle.
But the recto-anal reflex, constantly observable in decerebrate dogs, was predominantly inhibitory, which was identical with sacral action. 4. The effect of ventral root stimulation upon urethral oscillation was 'identical' for lumbar and for sacral activations, even if it was excitatory or inhibitory, depending upon ongoing level of activity ...
More Oscillatory Stimulation Of Anus images
Abstract. 1. By recording with 2 pairs of wire electrodes from human sacral nerve roots (S3-S5) rhythmic as well as occasional firing was observed in alpha 2 and alpha 3-motoneurons in response to physiologic stimulation of the urinary bladder and the anal canal. The rhythmic firing consisted of periodically occurring impulse trains, most likely produced by true spinal oscillators which drove the motoneurons.
By perianal electrical stimulation and EMG recording from the external anal sphincter three responses were found with latencies of 2-8, 13-18 and 30-60 ms, respectively. The two first responses were recorded in most cases.
Dear Reader, You're certainly not alone in your discovery of rectal pleasure by stimulating the prostate gland and sensitive nerves around the anus — even if you didn't know that's what you were doing. When touched or massaged, the prostate — about a half-inch inside the opening of the anus — is a spot in men's bodies that heightens sensations during many a male masturbation
An anal orgasm is exactly what it sounds like — orgasm that’s achieved through anal stimulation. We’re talking touching, licking, fingering, penetration, and more. If it feels good, anything ...
We have previously shown that acute effects of weak electrical stimulation can be amplified during endogenous oscillatory activity (Reato et al. 2010, 2013). These results suggest that brain oscillations may be a sensitive target for transcranial electrical stimulation with constant currents.
ackground: Oscillatory rhythms during sleep such as slow oscillations (SO) and spindles, and most importantly their coupling, are thought to underlie processes of memory consolidation. External slow oscillatory transcranial direct current stimulation (so-tDS) with a frequency of 0.75 Hz has been shown to
oscillatory local ﬁeld potentials Stimulation of olfactory epithelium with fatty acids of short carbon chain elicits a prominent OLFP in the dorsomedial region of the rabbit MOB (Mori et al. 1992). As a ﬁrst step to examine the possible synchronous ﬁring of mitral/tufted cells, we examined the temporal relationship between spike dis-
Pulse variability is introduced for the purpose of thwarting habituation of the nervous system to the repetitive stimulation, or to alleviate the need for precise tuning to a resonance frequency, or to control pathological oscillatory neural activities such as tremors or seizures.