{[ promptMessage ]}

Bookmark it

{[ promptMessage ]}

03-Biological

03-Biological - Lecture Outline ■ Neurons and nerve...

Info iconThis preview shows pages 1–22. Sign up to view the full content.

View Full Document Right Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: Lecture Outline ■ Neurons and nerve potentials ■ Neurotransmitters ■ Nervous system ■ Cerebral lateralization ■ Behavioral genetics Neurons ■ Neuron : Neurons ■ Neuron : cell specialized to transfer information in the nervous system ■ Neurons ■ Neuron : cell specialized to transfer information in the nervous system ■ Three classes of neurons: • Sensory : • Motor : • Interneurons : Neurons ■ Neuron : cell specialized to transfer information in the nervous system ■ Three classes of neurons: • Sensory : Transmit information from sensory receptors to the brain (afferent) • Motor : • Interneurons : Neurons ■ Neuron : cell specialized to transfer information in the nervous system ■ Three classes of neurons: • Sensory : Transmit information from sensory receptors to the brain (afferent) • Motor : Transmit commands from the brain to the muscles and glands (efferent) • Interneurons : Neurons ■ Neuron : cell specialized to transfer information in the nervous system ■ Three classes of neurons: • Sensory : Transmit information from sensory receptors to the brain (afferent) • Motor : Transmit commands from the brain to the muscles and glands (efferent) • Interneurons : Interconnect neurons Components of the Neuron Components of the Neuron Dendrites : receive information Components of the Neuron Dendrites : receive information Cell body Components of the Neuron Dendrites : receive information Cell body Axon • Components of the Neuron Dendrites : receive information Cell body Axon • Myelin insulates nerve cell, speeds up conduction of nerve messages • Components of the Neuron Dendrites : receive information Cell body Axon • Myelin insulates nerve cell, speeds up conduction of nerve messages • Terminal buttons of axon release transmitter Behavioral analysis of neuronal functioning ■ demonstration Neuron Resting Potentials NA + K + Cl- Cross-section of nerve cell -- distribution of ions across membrane INSIDE Neuron Resting Potentials NA + K + Cl- Cross-section of nerve cell -- distribution of ions across membrane INSIDE Neuron Resting Potentials ■ Membrane of the neuron separates charges NA + K + Cl- Cross-section of nerve cell -- distribution of ions across membrane INSIDE Neuron Resting Potentials ■ Membrane of the neuron separates charges NA + and Cl- ions are found outside membrane, whereas K + ion is inside membrane NA + K + Cl- Cross-section of nerve cell -- distribution of ions across membrane INSIDE Neuron Resting Potentials ■ Membrane of the neuron separates charges NA + and Cl- ions are found outside membrane, whereas K + ion is inside membrane membrane is slightly permeable to K + , so that at rest, the inside is about -70 millivolts relative to the outside NA + K + Cl- Cross-section of nerve cell -- distribution of ions across membrane INSIDE Neuron Resting Potentials ■ Membrane of the neuron separates charges...
View Full Document

{[ snackBarMessage ]}

Page1 / 147

03-Biological - Lecture Outline ■ Neurons and nerve...

This preview shows document pages 1 - 22. Sign up to view the full document.

View Full Document Right Arrow Icon bookmark
Ask a homework question - tutors are online