TEMPORAL DISCRIMINATION LEARNING

时间歧视学习

• 批准号: 3383733
• 负责人: Russell M. Church
• 金额: $ 10.13万
• 依托单位: BROWN UNIVERSITY
• 依托单位国家: 美国
• 财政年份: 1988
• 资助国家: 美国
• 起止时间: 1988-08-01 至 1991-07-31
• 项目状态: 已结题
• 来源: https://reporter.nih.gov/project-details/3383733
• 关键词: biological clocks; bioperiodicity; computer data analysis; discrimination learning; laboratory rat; model design /development; neural information processing; performance; psychological models; psychomotor reaction time; response generalization; stimulus /response; time perception

A quantitative Scalar Timing Model is now available to explain temporal discrimination performance aggregated over trials and subjects. An objective of the present research is to develop a scalar timing theory that applies to individual trials of individual animals. Groups of 10 rats each will be trained in four different timing tasks that require the production of a single response after a fixed time, the production of repetitive responses at fixed intervals, the discrimination of the duration of a single stimulus or discrimination of the repetition interval between stimuli. The first major question is whether or not the model of temporal discrimination applies to individual animals rather than to tasks. If so, some of the parameter values should be constant across tasks but consistent across individuals. The second major question is to describe the characteristics of the internal clock used for duration discrimination. An attempt will be made to determine if there is an optimal pacemaker rate, to identify variables affecting this rate, and to determine whether an interval or periodic clock is used for duration discrimination in the second to minute range.

现在可以使用定量标量时序模型来解释 经过试验汇总的时间辨别表现 科目。 目前研究的一个目标是开发一种 适用于个体的个体试验的标量时序理论 动物。 每组 10 只老鼠将在四种不同的时间进行训练 需要在固定时间后产生单个响应的任务 时间，以固定间隔产生重复响应， 单一刺激持续时间的辨别或 区分刺激之间的重复间隔。 第一个主要问题是时间模型是否 歧视适用于个体动物而不是任务。 如果是这样，一些参数值应该是恒定的 任务，但在个人之间是一致的。 第二个主要问题是描述特征 用于持续时间区分的内部时钟。 一次尝试 将确定是否存在最佳起搏器频率， 识别影响该速率的变量，并确定是否 间隔或周期时钟用于持续时间区分 秒到分钟范围。