Indeed, with prenatal nicotine exposure in rats, we have already shown distinct targeting of different types of neurons even within a single layer of the somatosensory
cortex or in specific zones of the hippocampus (Roy and Sabhetwal 1994, 1998; Roy et al.
Nevertheless, CDP does measure postural control under various somatosensory
and visual conditions, which ENG does not assess.
A primary visual area, V1, topographically represents the receptors of the eyes; a primary somatosensory
area, S1, represents the receptors of the body; a primary auditory area, A1, represents tone frequencies; and electrical stimulation of a primary motor area, M1, evokes movements.
The greatest amount of sway and "falls" occurred in conditions where the only available accurate sensory orientation input is from the vestibular system, indicating a lack of integration of vestibular information with visual and somatosensory
inputs for postural control.
This in turn triggered a reduction in activity in pain-sensing areas - the thalamus, somatosensory
cortex, and other parts of the cerebral cortex.
The second half of the book provides information on bone, salivary glands, oral somatosensory
systems, muscle, cartilage, temporomandibular joint, immune system, and phagocytic cells.
Control of balance is maintained through integration of sensory information from the vestibular, visual, and somatosensory
systems, with high redundancy among the systems (Diener & Dichgans, 1988).
For example, in the discussion of a position sense of a digit, the term proprioception is omitted, yet allodynia, pain from a nonpainful stimulus, is used during the somatosensory
examination and immediately defined.
activity was produced by stimulating glabrous skin passively.
The specific regions of the codex were those parts of the brain that normally process somatosensory
information--perception of touch, pain, temperature, and other body states.
These include studies of vision, the somatosensory
and motor systems, reading, memory, higher cognitive functions and recovery from brain injury.
Postural instability was not significantly different between the dizzy group and the comparison group for the first 5 conditions of the Clinical Test of Sensory Interaction and Balance (CTSlB); however, in the 6th condition, in which visual, proprioceptive and somatosensory
cues are reduced, only 118 participants (12.