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![ಆರೋಗ್ಯ - Nerve Response to Pain and Touch Sensory cortex Noxious stimulus Limbic system Thalamus Nociceptors CKBOOKSN Cognitive activities Touch Descending] Secondary Mechanoreceptors pathway afferent neurones Dorsal horn Primary afferent Dorsal root ganglion Ap fibres) neurones GKBOOKS Spino-thalamic tract' Primary afferent neurones As and C fibres) 2. Transmission Ventral horn 3. Spinal Cord via Afferent Neurons Processing 1. Sensory Pain Pathway Receptors Pain signals synapse in Impulses travel through AS (fast) Pain (Noxious the dorsal horn and and C (slow) fibers Stimulus): Detected ascend via the spino- Signal enters the dorsal root by nociceptors thalamic tract: ganglion of the spinal cord Touch signals travel via Specialized nerve Touch Pathway: Corried by A3 endings that respond dorsal column pathways to fibers which transmit signals rapidly to damaging or reach the brain and precisely potentially damaging Cognitive Response 5. 4. Brain Interpretation stimuli. The brain processes and Thalamus: Acts as a relay Touch (Non- interprets the sensation station, directing signals to noxious Stimulus): May trigger reflexes or appropriate cortical areas | Detected by eg behavioral responses Sensory Cortex Identifies mechanoreceptors withdrawal from pain). the location and intensity of Respond to gentle Descending pathways can the sensation pressure vibration or modulate pain intensity (pain Limbic System: Attaches changes texture inhibition) emotional meaning to pain Gkbooks44 Gkbooks3 Gkbooks officiol ೧ Gkbooksofficiol Gkbooksin Nerve Response to Pain and Touch Sensory cortex Noxious stimulus Limbic system Thalamus Nociceptors CKBOOKSN Cognitive activities Touch Descending] Secondary Mechanoreceptors pathway afferent neurones Dorsal horn Primary afferent Dorsal root ganglion Ap fibres) neurones GKBOOKS Spino-thalamic tract' Primary afferent neurones As and C fibres) 2. Transmission Ventral horn 3. Spinal Cord via Afferent Neurons Processing 1. Sensory Pain Pathway Receptors Pain signals synapse in Impulses travel through AS (fast) Pain (Noxious the dorsal horn and and C (slow) fibers Stimulus): Detected ascend via the spino- Signal enters the dorsal root by nociceptors thalamic tract: ganglion of the spinal cord Touch signals travel via Specialized nerve Touch Pathway: Corried by A3 endings that respond dorsal column pathways to fibers which transmit signals rapidly to damaging or reach the brain and precisely potentially damaging Cognitive Response 5. 4. Brain Interpretation stimuli. The brain processes and Thalamus: Acts as a relay Touch (Non- interprets the sensation station, directing signals to noxious Stimulus): May trigger reflexes or appropriate cortical areas | Detected by eg behavioral responses Sensory Cortex Identifies mechanoreceptors withdrawal from pain). the location and intensity of Respond to gentle Descending pathways can the sensation pressure vibration or modulate pain intensity (pain Limbic System: Attaches changes texture inhibition) emotional meaning to pain Gkbooks44 Gkbooks3 Gkbooks officiol ೧ Gkbooksofficiol Gkbooksin - ShareChat](https://cdn4.sharechat.com/bd5223f_s1w/compressed_gm_40_img_635886_8691ee_1765548634186_sc.jpg?tenant=sc&referrer=pwa-sharechat-service&f=186_sc.jpg "ಆರೋಗ್ಯ - Nerve Response to Pain and Touch Sensory cortex Noxious stimulus Limbic system Thalamus Nociceptors CKBOOKSN Cognitive activities Touch Descending] Secondary Mechanoreceptors pathway afferent neurones Dorsal horn Primary afferent Dorsal root ganglion Ap fibres) neurones GKBOOKS Spino-thalamic tract' Primary afferent neurones As and C fibres) 2. Transmission Ventral horn 3. Spinal Cord via Afferent Neurons Processing 1. Sensory Pain Pathway Receptors Pain signals synapse in Impulses travel through AS (fast) Pain (Noxious the dorsal horn and and C (slow) fibers Stimulus): Detected ascend via the spino- Signal enters the dorsal root by nociceptors thalamic tract: ganglion of the spinal cord Touch signals travel via Specialized nerve Touch Pathway: Corried by A3 endings that respond dorsal column pathways to fibers which transmit signals rapidly to damaging or reach the brain and precisely potentially damaging Cognitive Response 5. 4. Brain Interpretation stimuli. The brain processes and Thalamus: Acts as a relay Touch (Non- interprets the sensation station, directing signals to noxious Stimulus): May trigger reflexes or appropriate cortical areas | Detected by eg behavioral responses Sensory Cortex Identifies mechanoreceptors withdrawal from pain). the location and intensity of Respond to gentle Descending pathways can the sensation pressure vibration or modulate pain intensity (pain Limbic System: Attaches changes texture inhibition) emotional meaning to pain Gkbooks44 Gkbooks3 Gkbooks officiol ೧ Gkbooksofficiol Gkbooksin Nerve Response to Pain and Touch Sensory cortex Noxious stimulus Limbic system Thalamus Nociceptors CKBOOKSN Cognitive activities Touch Descending] Secondary Mechanoreceptors pathway afferent neurones Dorsal horn Primary afferent Dorsal root ganglion Ap fibres) neurones GKBOOKS Spino-thalamic tract' Primary afferent neurones As and C fibres) 2. Transmission Ventral horn 3. Spinal Cord via Afferent Neurons Processing 1. Sensory Pain Pathway Receptors Pain signals synapse in Impulses travel through AS (fast) Pain (Noxious the dorsal horn and and C (slow) fibers Stimulus): Detected ascend via the spino- Signal enters the dorsal root by nociceptors thalamic tract: ganglion of the spinal cord Touch signals travel via Specialized nerve Touch Pathway: Corried by A3 endings that respond dorsal column pathways to fibers which transmit signals rapidly to damaging or reach the brain and precisely potentially damaging Cognitive Response 5. 4. Brain Interpretation stimuli. The brain processes and Thalamus: Acts as a relay Touch (Non- interprets the sensation station, directing signals to noxious Stimulus): May trigger reflexes or appropriate cortical areas | Detected by eg behavioral responses Sensory Cortex Identifies mechanoreceptors withdrawal from pain). the location and intensity of Respond to gentle Descending pathways can the sensation pressure vibration or modulate pain intensity (pain Limbic System: Attaches changes texture inhibition) emotional meaning to pain Gkbooks44 Gkbooks3 Gkbooks officiol ೧ Gkbooksofficiol Gkbooksin - ShareChat")