Motivation, Sleep, Attention

Question 1

Intrinsic Motivation vs. External Motivation

Answer 1

Intrinsic Motivation: internal

External Motivation: rewards or punishment

Question 2

Drive Reduction Theory

Answer 2

• need: lack/deprivation of something you need
• drive: aroused state

• fulfilling the drive will reduce the need

Ex:
need foodenergy->hungry (drive)->eat food
(eating food deceases the need for food/energy)

Question 3

Incentive Theory

Answer 3

• rewards
• tangible: promotion
• intangible: job satisfaction

Question 4

Sleep

Answer 4

1) “active” -> beta waves
2) rest -> alpha waves

Stages
Stage 1: falling asleep (point of no return), theta
Stage 2-4: deep sleep
Stage 2: K complex, spindle fiber, theta
Stage 3,4: delta

Question 5

REM

Answer 5

rapid eye movement
- dreaming, similar to ‘awake’ (alpha)

Question 6

Sleep deprived

Answer 6

need REM (REM rebound)

Question 7

Sleep Tests

Answer 7

1) EEG
- electrical activity
2) MRI/CT
- static shots
3) PET/fMRI
- blood flow/process over time
4) Skin Conductance
- sweat more = lying

Question 8

Cocktail Party Effect

Answer 8

• use selective attention to tune out rest of party and focus on conversation
  
  • ability to concentrate on one voice amongst a crowd
• not absolute because if someone calls your name, you’ll notice

Question 9

Dichotic Presentation

Answer 9

• wearing headphones that say different things in left and right

shadowing
- repeat what was said in one ear
- were able to do it, but had no idea what other ear said but could tell if man or woman voice