Bio 17 – Nervous & Endocrine Systems. Atoms and Ions.

Bio 17 – Nervous & Endocrine Systems

Atoms and Ions

Plasma Membranes

Transport

Resting Potential

Action Potential

How Neurons Communicate…

IPSP = Inhibitory Postsynaptic PotentialEPSP = Inhibitory Postsynaptic Potential

Aggression; Serial killers low levels; important for sleep and low levels assoc with depression

Drug Effects

Morphine

SSRI – Lexapro; Prozac

Morphine = Opiate ReceptorDecreased GABAIncrease Dopamine

Reflex

The Brain

The Brainstem

• The Medulla Oblongata and the Pons controls breathing, heart rate, digestion

• The Cerebellum controls coordination of movement and balance (Karate; Dance. Separate Section of the brain)

*

Stairs…

The Midbrain

• The Midbrain receives, integrates, and projects sensory information to the forebrain

*

– Thalamus• conducts information to

specific areas of cerebrum

– _____________• produces hormones and

regulates body temperature, hunger, thirst, sexual response, circadian rhythms

• Cerebrum– with cortex and

corpus callosum• higher thinking

*

Cerebrum

• Lateralization– Right – Pattern Recognition, Face Recongition, Spatial Relations,

Nonverbal thinking– Left – Language, Math, Logical Operations

*

Cerebrum

Cerebrum

Hormones

Hormones

Other Hormones

Hormone Example…