Human Time Perception: A Review of Temporal Processing
The aim of this review article is to guide the reader through portions of the human time perception, or temporal processing, literature. It emphasizes studies that are concerned with the processing of intervals lasting a few milliseconds to several seconds and covers studies issuing from either a behavioral or a neuroscience approach. After distinguishing the main contemporary issues related to time perception, the article focuses on the main findings and explanations that are available in the literature on explicit judgments about temporal intervals.
The biological clock influences our perception of time.
Key Areas in Time Perception Research
Contemporary issues in time perception research include:
- The mechanisms by which the brain encodes and represents time.
- The influence of attention, emotion, and other cognitive processes on temporal judgments.
- The neural substrates involved in different aspects of time perception.
- The relationship between time perception and other cognitive functions, such as memory and decision-making.
Neural substrates involved in time perception.
Behavioral and Neuroscience Approaches
Studies on time perception utilize both behavioral and neuroscience approaches. Behavioral studies often involve tasks where participants are asked to estimate, reproduce, or compare temporal intervals. Neuroscience approaches use techniques such as EEG, fMRI, and TMS to investigate the neural mechanisms underlying time perception.
Behavioral Studies: These studies typically involve tasks that require participants to make explicit judgments about the duration of temporal intervals. For example, participants may be asked to estimate the length of a presented interval or to compare the duration of two intervals.
Neuroscience Studies: These studies use neuroimaging techniques to identify brain regions that are involved in time perception. For example, fMRI studies have shown that the basal ganglia, cerebellum, and prefrontal cortex are all involved in timing.
Temporal Intervals
The review emphasizes studies that are concerned with the processing of intervals lasting a few milliseconds to several seconds. This range is particularly relevant to many everyday activities, such as speech perception, motor control, and music processing.
A model of time perception involving multiple brain regions.
Examples of Time Perception Tasks
Here are some examples of common time perception tasks used in research:
- Interval Estimation: Participants are asked to estimate the duration of a presented stimulus.
- Interval Reproduction: Participants are asked to reproduce a previously presented interval.
- Interval Comparison: Participants are asked to compare the duration of two intervals and indicate which one is longer.
These tasks help researchers understand how individuals perceive and process time across different modalities and contexts.