Sensory neurons in the olfactory system develop from two different regions of the ectoderm, the olfactory placode and the cranial neural crest, whereas sensory neurons within the eye and ear develop from just one region.
Perception of vibrotactile frequency depends on the neural discharge pattern rather than the afferent type, thus requiring a reevaluation of the notion of Pacinian/non-Pacinian channels in tactile sensory system.
Core of a neuroendocrine synaptic network consists of a parallel set of interneurons that target distinct combinations of neuroendocrine outputs, thus enabling variability and flexibility in selection of physiological activity.
Male and female mice respond differently to the same pheromone signals, and the representation of these sensory stimuli by neurons in the medial amygdala correlates precisely with the differences in behavior.
The substrate for evolutionary divergence does not lie in changes in neuronal cell number or targeting, but rather in sensory perception and synaptic partner choice within invariant, prepatterned neuronal processes.
Sister projection neurons in the mammalian olfactory system do not share sensory synaptic input indicating that lineage-independent mechanisms regulate their synaptic connectivity with the olfactory sensory neurons.