Habituation — learning not to fear a harmless substance after being confronted with it on several occasions — exists in all animals, but was never observed in a non-neural organism. This discovery ...

Habituation is the most basic form of learning. Learning is defined as a change in behavior that results from an experience. In habituation, a response to a stimulus weakens when the stimulus is ...

Factors involved in the recovery and reinstatement of a territorial resident's aggression directed at an intruder after habituation were studied in the Three-spined Stickleback (Gasterosteus aculeatus ...

AN important problem in studying the physiological basis of memory is to determine its location. Protozoa offer the obvious advantage of confining the site(s) to a volume no more than 1 mm 3. If ...

Scientists have discovered a slime made up of independent, single cells, which can "learn" to avoid irritants despite having no central nervous system. "Tantalizing results suggest that the hallmarks ...