Starts at physical or perceptual level but unattended

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starts at physical or perceptual level but unattended info is not blocked completely o Highly meaningful or pertinent info in unattended ear will get thru filter for further processing o Input > Sensory > Attenuation Control > Perceptual and/or Meaning Analysis > STM > Response
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Alate selection or response selection model – all info in unattended ear is processes on basis of meaning o Only information that is relevant for the task response gets into conscious awareness o Consistent with ideas of subliminal perception – you don’t have to be aware for full processing o Input > Sensory > Perceptual and/or Meaning Analysis > Filter > STM > Response Multimode model – suggests stage that selection occurs can change depending on the task In some conditions, we can select what to attend to at very early stage o We don’t process content of unattended message very much at all o Analyzing physical info is relatively easy – automatic, rapid, little effort There is some evidence that people can be influenced by stimuli they are not aware of o There are often performance costs when performing 2 complex tasks Cognitive demands on our limited capacity systems can seriously impair driving performance o Same impairments are seen when having a conversation w/ a hands-free device like a phone Failures of Awareness: The Case of Inattentional Blindness Inattentional blindness – failure to notice unexpected objects or events when attention is focused elsewhere Humans can only process one stream of information at a time while filtering other info from awareness o We perceive only what receives the focus of our cognitive efforts – attention Dichotic listening – task where different audio streams are presented to each other o Task is to repeat each syllable spoken into left ear as quickly and accurately o You don’t notice if speaker in right ear switches to different language or is replaced by a different speaker You still devote some of your limited attention to ignored speech stream o You only tend to notice large physical changes but not substantive ones
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