Types of neurotransmitter – Acetylcholine Muscle movement; deficiency creates memory issues. – Dopamine Motor behavior; shortage (Parkinson’s Disease); surplus (Schizophrenia) – Serotonin Emotional arousal; – Spinal Reflex Touching a hot stove this is NOT a reaction to pain . . . the spinal reflex is often – – faster than the sensation of pain. PERIPHERAL NERVOUS SYSTEM Somatic: Sensory messages - pain, change in temperature, change in body position (posture, balance). Autonomic: Heartbeat/BP; respiration, digestion Link to emotion Sympathetic NS (stress) or flight” action time!!; suppress digestion (route blood/oxygen – “fight to muscles); increase heart rate Parasympathetic NS (peace) restores energy the fact” (re-establishes homeostatic – “after norms). NEXT PART Anatomy Parts of the brain: HINDBRAIN Medulla: Heartrate, Respiration, BP – Pons: Body movement, Attention, Alertness, Sleep Cerebellum: Balance, Coordination MIDBRAIN Vision and Hearing – Reticular Activating System: Attention, Sleep, Arousal, Alertness Alcohol attacks this part of the
Types of neurotransmitter – Acetylcholine – Muscle movement; deficiency creates memory issues. Dopamine – Motor behavior; shortage (Parkinson’s Disease); surplus (Schizophrenia) Serotonin – Emotional arousal; Spinal Reflex – Touching a hot stove – this is NOT a reaction to pain . . . the spinal reflex is often faster than the sensation of pain. PERIPHERAL NERVOUS SYSTEM Somatic: Sensory messages - pain, change in temperature, change in body position (posture, balance). Autonomic: Heartbeat/BP; respiration, digestion Link to emotion Sympathetic NS (stress) – “fight or flight” action time!!; suppress digestion (route blood/oxygen to muscles); increase heart rate Parasympathetic NS (peace) – restores energy “after the fact” (re-establishes homeostatic norms). NEXT PART Anatomy Parts of the brain: HINDBRAIN – Medulla: Heartrate, Respiration, BP Pons: Body movement, Attention, Alertness, Sleep Cerebellum: Balance, Coordination MIDBRAIN – Vision and Hearing Reticular Activating System: Attention, Sleep, Arousal, Alertness Alcohol attacks this part of the
stewart-psychology-curriculum.docx