Psychology Midterm

Topics: Psychology, Sense, Perception Pages: 2 (588 words) Published: February 25, 2015
Psychology: the scientific study of the human mind and its functions, especially those affecting behavior in a given context.

How is psychology a science? It is based on the scientific method. In other words we use research and empirical data to answer theories, make predictions and try to explain a phenomena. In Psychology, you observe human behavior.

The availability heuristic is a mental shortcut that relies on immediate examples that come to mind. The availability heuristic operates on the notion that if something can be recalled, it must be important.

Research process:

Chapter 4
Sensation: the detection of physical energy by our sense organs, which send that info to the brain Perception: the brains interpretation of raw sensory data
Difference = sensation is the result of your body's senses sensing something while perception is what you see and fail to see in it Transduction: converting an external energy/stimulus into electrical activity within neurons (done through sense receptors) Sensory receptors: specialized forms of neurons

Sensory adaptation example: the cold lake we jump into for a summer swim feels freezing at first, but soon feels only refreshingly cool Absolute threshold: the lowest level of a stimulus we can detect 50% of the time > Perfume: 1 drop in 3-room apartment

>Sight: a candle at 30 miles on a clear night.
>detecting heat after putting hand over stove burner
just noticeable difference: is the smallest amount of stimulus change we can detect 50% of the time >webers law: the stronger the stimulus the greater the change needed for detection of a difference Selective attention: allows us to choose whch sensory inputs to focus on and what to ignore Chapter 7

Sensory memory: where encoding starts; is the shortest-term element of memory. It is the ability to retain impressions of sensory information after the original stimuli have ended. >capacity: not very much / duration: brief; no more than a few...
Continue Reading

Please join StudyMode to read the full document

You May Also Find These Documents Helpful

  • Psychology Midterm Study Guide Essay
  • Week 4 Memory Worksheet Essay
  • Psychology Essay
  • Essay on Memory Psychology
  • Psychology 103 Essay
  • Consumer Behavior MidTerm Essay
  • Sensation, Attention in Psychology Essay
  • Essay about Organised Unorganised- Psychology Experiment

Become a StudyMode Member

Sign Up - It's Free