What is Consciousness?
by Owen Borville
July 29, 2024
Biology, Biosciences, Psychology
Consciousness, at its simplest, is awareness of both internal and external existence.
Internal stimuli includes sensations like pain, hunger, thirst, sleepiness, and being aware of our thoughts and emotions. External stimuli are things we perceive from the outside world, such as seeing light, feeling warmth, or hearing sounds.
In essence, consciousness is our subjective experience, or our awareness of ourselves and the world around us. It is an interesting topic that has intrigued philosophers, scientists, and theologians for centuries.
There are four main theoretical approaches in consciousness science:
Higher-Order Theories (HOT): These propose that a mental state is conscious when another mental state—higher up in a hierarchy—says that it is. The devil lies in the details of what kinds of “higher-order” representations count for consciousness.
Global Workspace Theories (GWT): According to GWT, mental states are conscious when they are broadcast widely throughout the brain. Conscious states have access to a wide range of cognitive processes, unlike unconscious states.
Integrated Information Theory (IIT): IIT focuses on phenomenological aspects of consciousness. It suggests that consciousness is associated with a posterior cortical “hot zone” in the brain, including parts of the parietal, temporal, and occipital lobes. It depends on a system’s ability to generate integrated information.
Predictive Processing: This approach builds bridges between consciousness and neural mechanisms. It associates consciousness with top-down signaling in the brain. Various theories within this framework aim to progressively account for diverse aspects of consciousness.
These theories deepen our understanding of consciousness, bridging the gap between empirical findings and explanatory frameworks.
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academic.oup.com
en.wikipedia.org
louis.pressbooks.pub
verywellmind.com
psychologytoday.com
by Owen Borville
July 29, 2024
Biology, Biosciences, Psychology
Consciousness, at its simplest, is awareness of both internal and external existence.
Internal stimuli includes sensations like pain, hunger, thirst, sleepiness, and being aware of our thoughts and emotions. External stimuli are things we perceive from the outside world, such as seeing light, feeling warmth, or hearing sounds.
In essence, consciousness is our subjective experience, or our awareness of ourselves and the world around us. It is an interesting topic that has intrigued philosophers, scientists, and theologians for centuries.
There are four main theoretical approaches in consciousness science:
Higher-Order Theories (HOT): These propose that a mental state is conscious when another mental state—higher up in a hierarchy—says that it is. The devil lies in the details of what kinds of “higher-order” representations count for consciousness.
Global Workspace Theories (GWT): According to GWT, mental states are conscious when they are broadcast widely throughout the brain. Conscious states have access to a wide range of cognitive processes, unlike unconscious states.
Integrated Information Theory (IIT): IIT focuses on phenomenological aspects of consciousness. It suggests that consciousness is associated with a posterior cortical “hot zone” in the brain, including parts of the parietal, temporal, and occipital lobes. It depends on a system’s ability to generate integrated information.
Predictive Processing: This approach builds bridges between consciousness and neural mechanisms. It associates consciousness with top-down signaling in the brain. Various theories within this framework aim to progressively account for diverse aspects of consciousness.
These theories deepen our understanding of consciousness, bridging the gap between empirical findings and explanatory frameworks.
bing.com
academic.oup.com
en.wikipedia.org
louis.pressbooks.pub
verywellmind.com
psychologytoday.com