We tested the integrity of temporal prediction by presenting rhythmic visual and
auditory stimuli on children with ASD and age - matched typically developing (TD) controls, while recording from 64 scalp EEG channels.
Not exact matches
The many textures and responsive rattle movement
on this changing time toy give baby a whole range if
stimuli that help develop baby's motor skills and enhance their
auditory and cognitive skills.
Physiologic studies have demonstrated that, in general, swaddling decreases startling, 301 increases sleep duration, and decreases spontaneous awakenings.310 Swaddling also decreases arousability (ie, increases cortical arousal thresholds) to a nasal pulsatile air - jet
stimulus, especially in infants who are easily arousable when not swaddled but less so in infants who have high arousal thresholds when not swaddled.301 One study found decreased arousability in infants at 3 months of age who were not usually swaddled and then were swaddled but found no effect
on arousability in routinely swaddled infants.301 In contrast, another group of investigators showed decreased arousal thresholds310 and increases in autonomic (subcortical) responses311 to an
auditory stimulus when swaddled.
The trick is to teach the user how to associate particular brain signals with specific tasks by presenting a repeating
stimulus —
auditory, visual or tactile — and getting the user to focus
on it.
Once the electrodes were placed
on the brains of each patient, Shestyuk and her colleagues conducted a series of eight tasks that included visual and
auditory stimuli.
The team focused
on the primary
auditory cortex, which is the first cortical region to receive
auditory signals from the ears via other parts of the brain, and the nonprimary
auditory cortex, which plays a more sophisticated role in processing those
stimuli.
Sensory neurons, such as those in
auditory cortex,
on average respond relatively indiscriminately at the beginning of a new
stimulus, but rapidly become much more selective.
Several clues, like the fact that many of the cortical
auditory regions responsible for linguistic and musical processing are the same and the existence of
auditory illusions dependent
on the mother tongue or dialect, have led investigators to hypothesize that native listening transfers also to non-linguistic sound
stimuli such as music.
While the brain's
auditory system is capable of blocking out background noises to focus
on specific
stimuli, nonetheless all these sounds can be distracting.
Effects of
auditory stimuli and their absence
on adult hippocampal neurogenesis.