attention
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What is attention in psychology?
In psychology, attention refers to the concentration of awareness on a specific phenomenon, excluding other stimuli. It is the state of current awareness, allowing individuals to focus on a limited subset of available information and experiences. Attention is not always under voluntary control; sometimes it is captured by unexpected events.
Attention can be understood as a selective focus of consciousness that influences learning and requires significant brain processing capacity. It involves the brain's ability to select and organize inputs and outputs to interact effectively with the environment. This selective process is crucial for processing information and can be observed through behavioral and neurophysiological changes.
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Why is attention important for learning and daily life?
Attention is crucial for learning and daily life as it represents a selective focus of consciousness, allowing individuals to process specific information while filtering out distractions. This selective awareness governs how we interact with our environment and is fundamental for learning.
In daily life, attention enables us to concentrate on tasks, engage in conversations, and respond appropriately to events. It plays a vital role in working memory, helping to manage information and block distractions, which is essential for problem-solving and complex cognitive tasks. Difficulties with attention, such as inattention or distractibility, can significantly impair daily functioning and may be indicative of conditions like attention-deficit/hyperactivity disorder (ADHD). The intensity of attention, or mental effort applied, also varies with task demands and internal states, influencing our ability to perform effectively.
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What are the main types of attention?
In psychology, attention is the concentration of awareness on a specific phenomenon, excluding other stimuli. While the term "attention" itself is broad, key aspects include:
- Sustained Attention (Vigilance): This refers to the ability to maintain focus over extended periods, often in situations requiring monitoring for infrequent events, such as watching a radar screen.
- Selective Attention: This describes the capacity to focus on certain information while ignoring others. Theories suggest this is due to the brain's limited processing capacity, acting like a filter or an attenuator for incoming stimuli.
Early psychological thought, like that of Wilhelm Wundt, distinguished between a wide field of awareness and a more limited focus of attention. William James famously described attention as the mind taking possession of one of several possible objects or trains of thought, implying a withdrawal from other things to deal effectively with selected ones.
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What is selective attention and how does it work?
Selective attention is the psychological process of concentrating awareness on a specific phenomenon while excluding other stimuli. This selective focus is necessary because the brain has a limited capacity to process all incoming information simultaneously.
Selective attention works by filtering information. Early theories proposed a "bottleneck" where signals are analyzed for basic features, and only those with appropriate properties pass through a filter for further processing. More recent models suggest that non-attended signals are attenuated rather than completely blocked, meaning they are still processed but at a lower priority. This allows for important stimuli, like one's own name, to still capture attention even when not the primary focus.
Physiologically, attention involves changes in the brain and nervous system, including altered heart rate, pupil dilation, and respiration patterns, preparing the individual to process information efficiently.
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What happens when people try to pay attention to multiple things at once?
When people try to pay attention to multiple things simultaneously, their ability to process information is limited. While it may seem like we can multitask, research suggests that we often attend to one primary activity while others are handled more automatically, or our attention rapidly alternates between tasks.
The brain has a limited capacity for processing information, acting like a bottleneck. Early theories proposed a filter that allowed only one stream of information through for further analysis. More recent views suggest that non-attended signals are attenuated rather than completely blocked, with sensitivity thresholds varying for different stimuli.
This limited capacity means that focusing on high-demand tasks leaves little attention for monitoring surroundings. Inattention and distractibility occur when internal preoccupations or irrelevant external stimuli capture attention, especially if the current task is uninteresting or motivation is low.
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What factors can improve or reduce our attention span?
Factors that can improve or reduce attention span include motivation, environmental stimulation, and task complexity. High motivation and engaging environments can enhance sustained attention, allowing individuals to disregard distractions. Conversely, uninteresting tasks or overly stimulating environments can lead to distractibility.
Digital distractions, such as apps and games, are believed to contribute to shorter attention spans, with many students multitasking while using digital media. Additionally, chronic anxiety and certain psychiatric disorders like ADHD may be linked to difficulties in maintaining focus. Sleep deprivation also impairs performance and attention.
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attention, in psychology, the concentration of awareness on some phenomenon to the exclusion of other stimuli.
Attention is awareness of the here and now in a focal and perceptive way. For early psychologists, such as Edward Bradford Titchener, attention determined the content of consciousness and influenced the quality of conscious experience. In subsequent years less emphasis was placed on the subjective element of consciousness and more on the behaviour patterns by which attention could be recognized in others. Although human experience is determined by the way people direct their attention, it is evident that they do not have complete control over such direction. There are, for example, times when an individual has difficulty concentrating attention on a task, a conversation, or a set of events. At other times an individualās attention is ācapturedā by an unexpected event rather than voluntarily directed toward it.
Attention has to do with the immediate experience of the individual; it is a state of current awareness. There are, of course, myriad events taking place in the world all the time, each impinging upon a personās senses. There are also events taking place within the body that affect attention, just as there are representations of past events stored in oneās memory but accessible to awareness under appropriate circumstances.
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While it might be expected that current awareness is the totality of all those events at any given moment, clearly this is not the case. Within this vast field of potential experiences, an individual focuses uponāor attends toāsome limited subset of the whole. This subset constitutes the subjective field of awareness. It is possible to determine the reason for this limitation. Control and coordination of the many inputs and stored experiences and the organization of appropriate patterns of response are the province of the brain. The brain has impressive processing capabilities, but it has a limited capacity. A person cannot consciously experience all the events and information available at any one time. Likewise, it is impossible to initiate, simultaneously, an unlimited number of different actions. The question becomes one of how an appropriate subset of inputs, intermediate processes, and outputs are selected to command attention and engage available resources.
Attention, then, may be understood as a condition of selective awareness which governs the extent and quality of oneās interactions with oneās environment. It is not necessarily held under voluntary control. Some of the history of attention and the methods by which psychologists and others have come to characterize and understand it are presented in the discussion that follows.
Early views on attention
19th-century roots
Psychologists began to study attention in the latter part of the 19th century. Before this time, philosophers had typically considered attention within the context of apperception (the mechanism by which new ideas became associated with existing ideas). Thus Gottfried Wilhelm Leibniz suggested that oneās loss of awareness of the constant sound of a waterfall illustrates how events can cease to be apperceived (that is, represented in consciousness) without specific attention. He suggested that attention determines what will and will not be apperceived. The term apperception was still employed in the 19th century by Wilhelm Wundt, one of the founders of modern psychology. Wundt, however, was among the first to point out the distinction between the focal and more general features of human awareness. He wrote of the wide field of awareness (which he called the Blickfeld) within which lay the more limited focus of attention (the Blickpunkt). He suggested that the range of the Blickpunkt was about six items or groups. He also speculated that attention is a function of the frontal lobes of the brain.
One of the most influential psychologists at the turn of the century was William James. In his major work, The Principles of Psychology (1890), he says:
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Every one knows what attention is. It is the taking possession by the mind, in clear and vivid form, of one out of what seem several simultaneously possible objects or trains of thought. Focalization, concentration, of consciousness are of its essence. It implies withdrawal from some things in order to deal effectively with others.
James held that attention made humans perceive, conceive, distinguish, and remember more effectively and sped their reactions.
In 1906 another prominent psychologist, W.B. Pillsbury, suggested three methods for measuring attention. The first relied upon tests that measured attention through performance of a task judged to require a high degree of attention; the second measured diminished attention through decreased performance; and the third gauged the strength of attention by the stimulus level required to distract the individual.
As the 20th century progressed, psychology and the study of behaviour were subject to new influences that had far-reaching consequences for notions of attention. One such area of influence originated in the work of Russian physiologist Ivan Petrovich Pavlov, who reported what is now usually referred to as the orienting response. In dogs and other animals this includes such signs of attention as pricked-up ears, head turned toward the stimulus, increased muscular tension, and physiological changes detectable with instruments. Further influence came from work on reflexology by one of Pavlovās competitors, Russian Vladimir M. Bekhterev. Many psychologists came to regard the conditioned reflex (an involuntary response conditioned by reward) as the basic building block of all human learning.