Midterm condensed

Question 1

measuring and separating RT and MT

Answer 1

EMG records electrical activity in muscles - can break up reaction time (AKA fractioning).
muscles contracting causing electrical signal gives info about time course of process as involved in responding

Question 2

3 types of RT situations

Answer 2

Simple - 1 stim ,1 resp
choice - 2 stim, 2 resp
go/nogo - 2 stim, 1 resp

Question 3

measures of accuracy

Answer 3

absolute error - how far from goal? not +/-, mean AE always +
constant error - directional bias? direction in +/-, mean CE repr avg magnitude and deviation
variable error - how consistent/variable? SD of mean

Question 4

why study motor behavior?

Answer 4

organize practice for efficient learning of skills, enhance instruction and coaching, aid in (re)learning human movement understand and predict actions

Question 5

3 kinematic measures of movement

Answer 5

displacement, velocity, acceleration

Question 6

IP approach to motor control (3 stages)

Answer 6

stimulus ID, response selection, response programming

Question 7

STSS attributes

Answer 7

limitless capacity, accepts all stimulus info, rapid memroy decay, info coded same way as preseneted

Question 8

chunking

Answer 8

encodes info into meaningful units, can recall 7+ pieced of info

Question 9

declarative and procedural LTM

Answer 9

declarative: explicit, facts and knowledge, conscious recall and verbalizable, attention demanding
procedural: implicit, non conscious, memories of motor skills, automaticity

Question 10

3 characteristics of attention

Answer 10

limited capacity and selective, intentional or unintentional, directionally focused

Question 11

2 types of directional focus

Answer 11

internal: directed towards own body movement, proximal, focus in novices
external: directed towards effects movements have on environment, distal, associated w focus of experts

Question 12

early attention models - stimulus ID blocks

Answer 12

inattention blindness, stroop effect, semantic/meaning filter - dichotic listening, parallel processing, leaky filter

Question 13

components of closed loop system

Answer 13

uses feedback, error detection and error correction

components: executive, effector, comparator, error signal

Question 14

open loop control skills

Answer 14

shorter, ballistic, discrete (ex boxing). gross, less precise. closed skills, practiced, predictable

Question 15

closed loop skills

Answer 15

longer, continuous (ex swimming). fine, more precise. open/new skills, unpredictable

Question 16

open loop

Answer 16

movement is preprogrammed and doesnt rey on feedback. useful in predictable environments when movement is short

Question 17

types of anticipation

Answer 17

temporal - time

spatial - what