psych4.jpg - OneClass find more resources at oneclass.com Week 4 Part 2 1 Neurotransmitters can excite post synaptic neurones or inhibit them 2 It takes

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Unformatted text preview: OneClass find more resources at oneclass.com Week 4 Part 2 1. Neurotransmitters can excite post synaptic neurones or inhibit them 2 It takes a summation of the activity of neurotransmitters to cause an action potential in the post-synaptic neurone 3. each neurotransmitter has several receptor types 4. The distribution and action from these receptor subtypes confers specific functions of the neurotransmitter Cocaine in the synapse Blocks the uptake channels so more neurotransmitters bind to the receptor sites SSRI in the synapse Serotonin in receptor site of receiving neurone, also blocks the uptake channels so more neurotransmitters bind to receptor sites Somatic Nervous System (SNS) Sensory information in > motor action out Overarching concept 5 Communitcation in the Nervous System: The long Distance mode (hormones) Sexual differentiation & sexual behaviour - a case for long distance communication Hormones have both differentiating and activating effects Brain > Hypothalamus (gonadotropin releasing hormone) & Anterior pituitary (gonadotropin) > Gonads (oestrogen's, androgens, progestins) > body issues Control of the Anterior and Posterior Pituitary by the Hypothalamus Anterior puitary Paterior puitary releasing and inhibiting hormones are Oxytocin and vasopressin are syn thesised in released from hypotal amic neurones in to the para ventricular and su paofe nuclei of the hypoth alamo-pituary portal system the hypothalamus Hypoth ala mic releasing & hypothalamus Oxytocin and vasopressin are carried by inhibiting hormones are carried down he axonal bansportdown the puitary stalk pituitary stalk by the hypothalomo puitary portal system Hypoth alamic releasing & hypothalamus Oxytocin and vasopressin are released into inhibiting hormones increase and decrease general circulation from terminal buttons in respectively he release of anterior pituitary the postaria pituitary hamones in to general circulation OneClass find more resources at oneclass.com...
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  • Fall '18
  • JOANNE BECK

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