- WB. 17: Deep Dive – The Rat Park Experiments Explained
These experiments showed that the environment plays a crucial role in drug addiction (Alexander, Coambs, Hadaway, 1978) Alexander’s research involved two groups of rats One group lived in ‘Rat Park,’ a large, engaging space with activities and chances to socialize
- Tolman’s Rat Experiments - Psychology Fanatic
In the 1930s, Tolman conducted a series of experiments using rats in mazes to explore the role of reinforcement in learning He divided the rats into three groups: Group 1: Received a food reward at the end of the maze every time Group 2: Never received a food reward
- Roles of β-Endorphin in Stress, Behavior, Neuroinflammation, and Brain . . .
Studies involving rats corroborate these results, showing that that levels of β-endorphins, and responses to them, were lower in females than in males; however, these results were highly dependent on the brain-region tissue sampled, and the type of stimulus tested [54, 55, 56]
- The Behavioral Effects of Oral Psychostimulant Ingestion on a . . .
Additionally, rats repeatedly shuttled between the two open arms during testing Therefore, while the animals still spent most of their time in the enclosed arms, they were considerably more active than during baseline
- Endorphins: profound behavioral effects in rats suggest new . . . - PubMed
The endogenous morphinomimetic brain peptides Met5-enkephalin and alpha-, beta-, and gamma-endorphins have been evaluated in rats after intracerebrospinal fluid injection beta-Endorphin produces marked, prolonged muscular rigidity and immobility similar to a catatonic state, counteracted by the opi …
- The Rat in Neuroscience Research - ScienceDirect
The two groups are then tested for anxiety using the elevated plus maze at 1 h posttrauma and 3 weeks posttrauma Both trauma groups show decreased time spent in the open arm of the elevated plus maze at 1 h and 3 weeks posttrauma
- Chapter 5 Flashcards | Quizlet
Study with Quizlet and memorize flashcards containing terms like Gestalt psychologist Edward Tolman, in Tolmans first group of rats, in Tolmans second group of rats and more
- Dopamine: at the intersection of reward and action - Nature
By recording from dopaminergic neurons in rats learning to choose between responses that were rewarded with different amounts of sucrose or after different delays, Roesch et al 4 have tested,
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