PSYC06H3 Lecture Notes - Aortic Valve, Mean Arterial Pressure, Sympathetic Nervous System
20 Feb 2013
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Heart rate is measured in bpm, and peaks within the count of heartbeats in a minute are called r-spikes. Inner beat interval (heart period): time in msec of the interval between each heartbeat. In this one, the difference in beat between spikes is what is calculated. Both increases/decreases in heart rate can be considered arousal. Heart rate is affected by both sympathetic (increases heart activity) and parasympathetic (down regulates) Muscles become tense at back of neck during orienting response. Heart rate was seen as a correlate of responses to aversive stimuli, researchers interested in how crime of family members might be related to your own likelihood of committing crimes. Hypothesis was that for kids whose parents were criminals and they didn"t end up becoming criminals themselves, those kids were more adverse to aversive stimuli (didn"t like stuff that had to do with criminal stimuli)
