Podcast
Questions and Answers
What is attention?
What is attention?
Attention is the means by which we actively select and process a limited amount of information from all stimuli.
What are the four main functions of attention?
What are the four main functions of attention?
Signal detection and vigilance, search, selective attention, and divided attention.
Which of the following is NOT a function of attention?
Which of the following is NOT a function of attention?
- Search
- Memory storage (correct)
- Signal detection and vigilance
- Selective attention
___ refers to the ability to attend to a field of stimulation over a prolonged period.
___ refers to the ability to attend to a field of stimulation over a prolonged period.
Divided attention allows individuals to only perform one task at a time.
Divided attention allows individuals to only perform one task at a time.
What does the Signal Detection Theory (SDT) help to explain?
What does the Signal Detection Theory (SDT) help to explain?
What is the definition of 'search' in the context of attention?
What is the definition of 'search' in the context of attention?
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Study Notes
Attention Overview
- Attention actively selects and processes limited information from sensory inputs, memories, and cognitive processes.
- It encompasses both awareness and content, some aspects being focused and some automatic.
Functions of Attention
- Signal detection and vigilance involve monitoring for specific stimuli, like unusual sounds in a dark setting or detecting risks post-earthquake.
- Search engages active pursuit of particular stimuli, such as finding smoke's source or looking for lost items.
- Selective attention is the process of focusing on certain stimuli while ignoring others, aiding in tasks like studying or listening in lectures.
- Divided attention allows multitasking; experienced drivers, for example, can converse while driving but must refocus on driving when faced with hazards.
Signal-Detection Theory (SDT)
- SDT explains how individuals identify important stimuli amidst irrelevant distractions.
- It includes a signal detection matrix with four outcomes: Hits, False Alarms, Misses, and Correct Rejections.
Vigilance
- Vigilance is the ability to maintain attention over extended periods to detect specific target stimuli.
Search Mechanism
- Search involves scanning the environment for features, often complicated by distractors that divert focus from the target.
- Feature search targets certain characteristics to facilitate finding the desired stimuli.
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