Biopsychology Exam 4-part 5

Biopsychology Exam 4-part 5 - Biopsychology Exam 4 Lecture...

Info iconThis preview shows pages 1–3. Sign up to view the full content.

View Full Document Right Arrow Icon
Biopsychology Exam 4 Lecture 22- Emotion EMOTION: poorly defined , making it difficult to study; hard for an individual to define their own emotion; emotion includes subjective feelings and observable behavior/ physiological changes (** many aspects of emotion are unconscious ); has evolutionary origin at last 4 aspects of emotion o FEELINGS: subjective states that humans experience (scientist don't like to say that animals have similar experiences) we can use facial expressions to understand feeling o ACTIONS: behaviors like defensive and aggressive behavior [motivation] o PHYSIOLOGICAL AROUSAL: expression/displays of autonomic response (ex: increased heart rate) autonomic functions, increase neuron release, etc. o MOTIVATION: behavior important for seeking pleasure and avoiding pain ****Basic emotions grouped into 4 pairs of opposites: JOY/SADNESS, AFFECTION/DIGUST, ANGER/FEAR, EXPECTATION/SURPRISE FACIAL EXPRESSIONS INDICATE AFFECTIVE STATE o facial expressions provide clues for different emotions; *there are cross culture and cross species similarities in emotional expression (good indicator in non-humans!) Pleasure=positive affect Pain=negative effect, disgust o Darwin in 1872 wrote “ the expression of emotion in man and animal”—he suggested that similarities in facial expression across species indicates we share a common ancestor in the evolution of emotion POSITIVE AFFECT: animals show clear signs of positive affect o Juvenile chimps- make play face when tickled o Dogs- show robust signs of subjective pleasure o Humans- “pursuit of happiness” in America HAPPINESS is preoccupied in most people, but society can not promise happiness, it is a fundamental right in our country
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Long-term goals must be made up of many short-term goals (measuring goals in small amounts to keep happiness) Ex: if you work all your life to get into medical school and don't get in, you’ll be really upset o Rats- laugh when tickled, activating vocal activity like laugher, then rats start to enjoy their company and move towards the researchers hand to be tickled more o HEDONIA and ANHEDONIA Human and rat babies do the a similar facial expressions when exposed to a positive taste (sugar, saccharin) and a similar one when bad tasting things—licking when given a taste they like and gaping at a bad taste (quinine) POSITIVE TASTE REACTIVITY: associated with increased dopamine signaling within nucleus accumbens shell o SACCHARIN evokes increased in dopamine signaling more in shell compared to core AVERSIVE (NEG.) TASTE REACTIVITY: associated with decreased dopamine signaling within nucleus accumbens shell
Background image of page 2
Image of page 3
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 02/18/2011 for the course PSYCH 230 taught by Professor Unkown during the Winter '08 term at University of Michigan.

Page1 / 6

Biopsychology Exam 4-part 5 - Biopsychology Exam 4 Lecture...

This preview shows document pages 1 - 3. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online