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What is consciousness?
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Consciousness is the awareness of internal and external stimuli.
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Can we always control what we think about?
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Some of the thoughts entering your stream of consciousness are the result of intention: we seem to be easily able to shift our attention to things of importance or interest in our environment.
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What is the difference between controlled and automatic processes?
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The distinction between what we control about our mental processes and what just seems to happen is often referred to as the difference between controlled and automatic processes.
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What is the stream of consciousness?
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The stream of consciousness is what William James describes to be the continuous change in consciousness.
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What is the wandering mind?
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Mind wandering refers to people's experience of task-unrelated thoughts - thoughts that are not related to what they are intentionally trying to do at a given moment.
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How much time do people spend mind wandering?
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It is estimated that people spend 15% to 50% of their time mind wandering.
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When is mind wandering less likely to occur?
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Mind wandering might be less likely to occur if the task you are engaged in is one that requires significant cognitive resources. Mind wandering is associated with less accurate awareness of external information.
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What are controlled processes?
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Controlled processes are those judgements or thoughts that we exert some control over, that we intend to occur.
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What are automatic processes?
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Automatic processing and its effects happen without our intentional control or effort.
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What does Canadian journalist Malcolm Gladwell refer to by the term blink?
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Gladwell's use of the term blink refers to how quickly (in the blink of an eye) and effortlessly some of our judgments and choices seem to be made.
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How does consciousness arise?
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Research suggests that consciousness does not arise from any distinct structure in the brain but rather from activity in distributed networks of neural pathways.
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What is an EEG?
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An electroencephalograph (EEG) is a device that monitors the electrical activity of the brain over time by means of recording electrodes attached to the surface of the scalp.
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What does the EEG do?
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The EEG summarizes the rhythm of cortical activity in the brain in terms of line tracings called brain waves.
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How do brain waves vary?
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They vary in amplitude (height) and frequency (cycles per second / cps).
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How is human brain-wave activity divided?
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Brain-wave activity is divided into four principal brands, based on the frequency of the brain waves:Beta (13 - 24 cps)Alpha ( 8 - 12 cps)Theta (4 - 7 cps)Delta ( 4 cps)
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