AP Psych Unit 1 - Nerves & Systems

Nerves and Body Systems

Glial cells

Worker bee cells, clean up

Nerve Cells

Queen bee cells, make the decisions 

Myelin Sheath

Increase signal speed

Schwann Cells

Produce Myelin Sheath

Dendrite

Receives signals

Axon

Signal pathway

Axon Terminal

Transmits signals

Nervous System

The connection between the brain and ALL parts and functions in the body

Central Nervous System

Brain & Spinal Cord

Peripheral Nervous System

Contains the Autonomic & Somatic Nervous Systems, gathers and transmits information to the body

Autonomic Nervous System

Self regulated actions of internal organs and glands

Somatic Nervous System

Voluntary movement of skeletal muscles

Sympathetic Nervous System

Starts motivations, fear response, physical exercise response

Parasympathetic Nervous System 

The calm system for regular everyday actions

Neuroplasticity

The brain’s about to change, build, and reorganize after damage or new experiences, more common in younger people

Neurogenesis

Creation of more neurons, only happens in embryos