10_Up_to_consciousness

Consciousness takes two forms transitive and

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Unformatted text preview: transitive and intransitive Intransitive consciousness has no object; being awake (1). It can be lost and recovered. Transitive consciousness is a matter of being conscious of something or of another (2). To be conscious of a percept is to be aware of it. This requires attending to. Perception per se is not a form of consciousness, but becoming aware and retaining an awareness, is. (1) Wakefulness, arousal: elementary, biological substrate. A non-specific activation of the cortex in relation to sleep-wake. (1) Wakefulness, arousal: elementary, biological substrate. A non-specific activation of the cortex in relation to sleep-wake. (2) Awareness: sensory and emotional experience ~ psychological, phylosophical content. (2) Awareness: sensory and emotional experience ~ psychological, phylosophical content. 8 Terminology Transitive consciousness: To be conscious (to be aware) is to have one’s attention caught and held. But one can be attentive without being aware, because separate neural networks subserve attention. Attentional networks are found in the fronto-parietal regions. Sensation ~ gewaarwording Perception ~ waarneming, ervaring Arousal, wakefullness ~ wakkerheid: non-specific activation of the cortex in relation to sleep-wake state Alertness ~ alertheid ~ opmerkzaamheid: includes some cognitive processing. Vigilance ~ vigilantie, waakzaamheid: sustained (tonic) attention. Awareness ~ besef Adapted from: Clinical Neurophysiology, 2006, 117, 1885-1901 Consciousness: Wakefulness, arousal (level) and awareness (content) Conscious content: the continually changing phenomenal content (e.g. qualia such as redness and warmth) and intentional content (e.g. explicitly held beliefs, conscious knowledge) that is present to varying degrees at non-zero conscious levels. Conscious level: refers to a scale ranging from total unconsciousness (e.g. death and deep coma) to vivid wakefulness. A “conscious organism” is one that is capable of having non-zero conscious levels. A non-zero conscious level indic...
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This note was uploaded on 05/28/2010 for the course GE BIOL020000 taught by Professor Luccrevits during the Spring '10 term at Ghent University.

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