Mammals respond to an unexpected reward omission or reduction with a variety of
behavioral and physiological responses consistent with an aversive emotion traditionally …

This review focuses on reward-schedule effects, a family of learning phenomena involving
surprising devaluations in reward quality or quantity (as in incentive contrast), and reward …

This revised third edition provides an up to date, comprehensive overview of the field of
comparative psychology, integrating both evolutionary and developmental studies of brain …

Although of crucial importance in vertebrate evolution, amphibians are rarely considered in
studies of comparative cognition. Using water as reward, we studied whether the terrestrial …

Amphibians are central to discussions of vertebrate evolution because they represent the
transition from aquatic to terrestrial life, a transition with profound consequences for the …

Several studies of arboreal anuran species show morphological specializations for clinging
onto narrow substrates. However, little is known about these capacities in non-specialized …

The medial pallium (MP) of amphibians is the homologue of the mammalian hippocampus,
and previous research has implicated MP for locating a using the boundary geometry of an …

When trained in a rectangular arena, some research has suggested that rats are guided by
local features rather than overall boundary geometry. We explored this hypothesis using the …

Anderson AK, Phelps EA (2002) Is the human amygdala critical for the subjective
experience of emotion? Evidence of intact dispositional affect in patients with amygdala …

An unexpected change in reward quantity or quality frequently elicits a sharp decrease of
responses as well as a negative emotional state. This phenomenon is called successive …