BRAIN AWARENESS WEEK

1
BRAIN AWARENESS WEEK
2
Introduction to the Nervous System
Central Nervous System
Peripheral Nervous System
3
Sagittal View of the Brain
Parietal Lobe
Occipital Lobe
Frontal Lobe
Cerebellum
Brainstem
4
Lateral view of the cerebral cortex
Parietal Lobe
Frontal Lobe
Occipital Lobe
Temporal Lobe
5
Homunculus
Motor Cortex
Sensory Cortex
6
Two Point Discrimination
42mm
3mm
7
Introduction to Neural Transmission
Synapse
Neuron
8
Introduction to Neural Transmission
Synapse
Dendrites
Cell body
Axon
9
Neural Communication
Dendrite
Axon
Specific receptors
Synaptic Cleft
10
The brain and serotonin
Frontal lobe
Memory Cognition
Hypothalamus
Hunger Temp. Thirst
Hippocampus
Memory
Amygdala
Emotion
Spinal Cord
11
Serotonin neurotransmission
Dendrite
Axon
Serotonin
12
Ecstasy Affects Neurotransmission
Axon
Dendrite
13
Ecstacy and Serotonin transmission
Dendrite
Axon
Serotonin receptors
Reuptake transporters
14
The brain and ecstacy
During
After
Heightened senses
? Visual memory

Intense thirst Hyperthermia
Euphoria Empathy
Depression
Clenching of the jaw
15
Pleasure and Reward
Pleasures necessary for survival
 Artificial  pleasures
16
Reward circuitry
Prefrontal cortex dopamine
nucleus accumbens dopamine
VTA dopamine
17
Discovery of the Reward Pathway
18
Drugs of abuse and the reward system
Amphetamine



4.5
Alcohol
19
Altered state
Normal state
20
Altered state
Normal state
Adaptation
Tolerance
21
Altered state
Normal state
Adaptation
Addiction
Withdrawal Syndrome
Tolerance
22
Altered state
Normal state
Adaptation
Addiction
Withdrawal Syndrome
Tolerance
23
Effect of Crystal Meth on the Brain
Frontal Lobe
Card Sorting task
24
Long-term effects of Cocaine
Cocaine user six-weeks after stopping
Normal brain
25
Conclusion
26
Marijuana
27
Marijuana
28
MethamphetamineSpeed and crystal meth
29
Cocaine and amphetamines
30
PsilocybinMagic mushrooms
31
GHB and rohypnol Date Rape Drugs
32
Alcohol
33
Nicotine
34
Opiates