Natural Neural NetworkDr PS Deb MD, DM Neuro.

Basic Neural Network

Excitation/ Inhibition

Inhibition

Disinhibition

Neurotransmitter Excitatory/ Inhibitory

Excitatory Inhibitory

1. Glutamate 1. GABA

2. Dopamine 2. Dopamine

3. Acetyl choline 3. Serotonin

4. Epinephrine

5. Nor Epinephrine

Convergence and Divergence

Reverberatory (Oscillatory) Circuit as a Cause of Signal Prolongation.

Nervous System Schema

Brain

Spinal CordNerves

Gray MatterWhite matter

Central NucleiBrain Stem

Types of Neural Network

Central Neural network

White and Gray Matter

Spinal Cord

Spinal Cord Section

Peripheral Nerves

Cranial Nerve network

Sensory Network

Somatosensory Network

Propioceptive Network

Auditory Network

Visual Network

Visual Network

Central Visual Network

AIT = anterior inferior temporal area; CIT = central inferior temporal area; LIP = lateral intraparietal area; Magno = magnocellular layers of the lateral geniculate nucleus; MST = medial superior temporal area; MT = middle temporal area; Parvo = parvocellular layers of the lateral geniculate nucleus; PIT = posterior inferior temporal area; VIP = ventral intraparietal area.) (Based on Merigan and Maunsell 1993.)

Motor Network

Motor control Network

Cerebellar Network

Basal Ganglia Network

Corticospinal Motor System

Autonomic Nervous Network

Sensory Motor Integration: Reflex

Withdrawal Reflex

Withdrawal and Crossed Extensor Reflex

Polysynaptic Reflex

Intracerebral Neural Network

Secondary Sensory Network

Memory storage Network

Cognitive Network

Cholinergic Network

Serotonin Network

Dopamine Network

Norepinephric Network

Glutamate Network

GABA Network

Consciousness network (RAS)

Thank You

Neural Net

Universal Net