Chapter 22 - Attention/Consciousness Flashcards
Explain Case R.P
mental neglect of one side, problem when to trust people, not being attentive to some info
right posterior parietotemporal lesions
Define attention
a selective narrowing or focusing of awareness to part of the sensory environment or stimuli
selective awareness of information from maps
What is consciousness
an awareness of information and an awareness of awareness
What does Koch think about the relationship between consciousness and attention
require two distinct brain processes
attention = top down process that selects information (specific features)
consciousness = not so selective, summarizes all information about environment (gist)
Define automatic processes
processes performed without intention, involuntarily, without awareness
is bottom-up
Explain Treisman’s model of feature search
occurs when you search for a target object in a visual field based on distinct features
the spotlight can be focused on different features, trick is to combine them all together
Are all features of in image, object, etc. equivalent?
no, sad pops out over happy
the amygdala is primed to detect fear-related stimuli