Study Guide: Chapter 10.docx

3 Pages
Unlock Document

University at Buffalo
PSY 351
Scott Wersinger

Chapter 10: Emotions 1) What is emotion? a. What are its three components? Emotion is a complex psychophysiological experience of an individual state of mind as interacting with biochemical (internal) and environmental (external) influence. 2) What is the James-Lange Theory? James-Lange theory states that in response to internal or external situation, the autonomic nervous system creates physiological events such as muscular tension, a rise in heart rate, perspiration, and dryness of the mouth. Our brain would then process these information and tell us what our emotion is. Thus, emotions are feelings which come about as a result of these physiological changes, rather than being their cause. 3) What is the limbic system? a. What does it do? Limbic system is a set of brain structure that includes the hypothalamus, amygdale, anterior thalamic nuclei, septum, limbic cortex and fornix. The system operates by influencing the endocrine system and the autonomic nervous system. b. Primary function is involved in motivation and emotion. c. Part of the limbic system are involve in learning and memory d. The amygdale is involve in emotion (feelings, expression of emotion, emotional memories and recognising emotion in other people. 4) Which hormones and neurotransmitters are particularly important for the regulation of aggression? Serotonin and the ventromedial prefrontal cortex is important for regulating aggression Stronger serotonergic tone seem to result in less aggression** a. More serotonin = Greater control of impulsive behaviour i. Still have motivation but can control behavior b. Complicated story Low serotonin turnover measured by 5-HIAAcorrelated with impulsivity and aggression In mice, social isolation decreases serotonin release c. Isolated male are more aggressive 5) What is the startle reflex? Freezing behavior? How are they used in animals to measure fear and anxiety? Startle reflex is unlearned fear. Freezing behaviour is in response to anxiety a. When a rat is in fear, it will jump. The base would them measure the impact of the jump and thus determine the level of fear b. To test
More Less

Related notes for PSY 351

Log In


Don't have an account?

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.