PSYB64H3 Lecture Notes - Lecture 10: Cranial Nerve Nucleus, Cranial Nerves, Facial Nerve
Document Summary
Emotion: a combination of physical sensations and the conscious experience of. Demonstrate valence: event emotions: a positive (attractive) or negative (aversive) reaction to an object or. Differ from moods, which are more general states that last a longer time than. Possible advantage of emotions is their contribution to general arousal: when the brain perceives a situation requiring action, emotions provide arousal needed to trigger response. Yerkes and dodson performance: observed that arousal interacts with the complexity of a task to predict. Individuals with brain damage affecting their emotional abilities have difficulty making decisions. Emotions form a bridge to past memories that can be used to decide how to. Emotions enhance survival by helping us communicate. Nonverbal communication: respond to a stimulus: the use of facial expressions, gestures, and body language to communicate ideas and feelings. Controlling facial expression: facial nerve (cranial nerve vii) Movement of the human face is controlled by two cranial nerves:
