Class Notes (838,950)
Canada (511,158)
Psychology (7,812)
PSYB51H3 (314)

Lecture notes and Chapter notes for lectures 7 and 8/chapter 8 (on attention)

9 Pages
Unlock Document

Matthias Niemeier

PSYB51 - Perception Lecture Slides Textbook Notes Lecture 7 & 8 Attention - We are unable to read more than one thing at once because we do not have the brains for it - Attention: not a single thing; family of mechanisms that restrict processing in various ways - Selective attention is a cognitive brain mechanism that enables one to process relevant inputs, thoughts, or actions while ignoring others that are less important, irrelevant, or distracting; the ability to pick one (or a few) out of many stimuli - Arousal: a global state of the brain reflecting an overall level of responsiveness - Why we need attention: o Bottlenecks: it is impossible to process everything at once. Lack of brain, lack of arms, o Sensory cognitive motor (?) - Why attention can help us: - Where attention plays a role: o Attention to vision o Attention to auditiontouchsmell o Attention across modalities o Attention to thoughts o Attention to motor tasks Studying Attention - Measure attention o Reaction time: a measure of the time from the onset of a stimulus to a response o Perceptual thresholds: change with attention o Motor accuracy o Brain activity o Eye movements: can reflect overt shifts of attention. But careful; attention can shift without eye movements: covert attention o Perceptual biases - Simple probe detection experiment measures RT (or perceptual thresholds) - Posner: adding a cue; Posner found that with a valid cue, the RT increases
More Less

Related notes for PSYB51H3

Log In


Join OneClass

Access over 10 million pages of study
documents for 1.3 million courses.

Sign up

Join to view


By registering, I agree to the Terms and Privacy Policies
Already have an account?
Just a few more details

So we can recommend you notes for your school.

Reset Password

Please enter below the email address you registered with and we will send you a link to reset your password.

Add your courses

Get notes from the top students in your class.