While the study provides compelling evidence of the link between mental fatigue and heightened reward sensitivity, it has some limitations. For instance, the rat experiments involved only male ...

Recording neuron activity associated with different objects can show how nervousness related to specific locations or objects ...

The researchers designed an experiment where rats could self-administer cocaine ... highlighting how the allure of the drug’s reward can override aversive cues. A third and unexpected group ...

A study reveals that adolescent rats fed a high-fat diet show altered brain development, impulsive actions, and cautious ...

Summary: Adolescent rats fed a high-fat diet displayed increased impulsivity and altered decision-making as adults. These “cheesecake rats” were quicker to act on visual cues (indicative of ...

Eighty rats were placed in Skinner boxes (the glass-walled enclosures, developed by psychologist B. F. Skinner, widely used in behavioral experiments with animals) and trained to press a green ...