Butanone: The Memory of a Scent

Table 1.

Summary of C. elegans associative behavioral plasticity paradigms

Conditioned cue Modulatory input Response
Temperature Food consumption/lack Seeking/avoidance of cultivation temperature when previously paired/unpaired with food.
Smell (attractant diacetyl) Smell (aversive acetic acid) Avoidance of the chemoatractant diacetyl when previously paired with acetic acid.
Smell (bacteria) Food consumption leading to visceral malaise Avoidance of bacteria that previously caused malaise.
Taste (attractant NaCl) Lack of food Avoidance of the chemoatractant NaCl when previously paired with absence of food.
Taste (attractant Na+ or Cl- ions) Contact to aversive substance (garlic, copper) Avoidance of the ions when each of them has been previously paired with garlic or copper.
  1. The Journal of Neuroscience vol. 27 no. 20 5267-5268
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