'Threshold stimulus' presentation slideshows

Musculoskeletal

Musculoskeletal. Skeletal System. The Skeletal System. Consists of: Bones Cartilage Ligaments Connect Bone to Bone Tendons Connect Muscle to Bone Accounts for 20% of body weight They are living tissue. Functions. Support Supports organs and against gravity Protection

1.89k views • 153 slides

Nervous Tissue

Nervous Tissue. Organization of the Nervous System. Divisions of the Nervous System. Central Nervous System brain spinal cord Peripheral Nervous System peripheral nerves cranial nerves spinal nerves. 10-1. CNS. PNS. Divisions of Peripheral Nervous System. Sensory Division

1.02k views • 94 slides

The Muscular System

The Muscular System. Muscle Tissue. Made up of muscle fibers (cells) Highly specialized for the active generation of tension Motion by moving skeletal levers Stabilizing body position Regulating organ volume Converts chemical energy to mechanical energy Thermogenesis.

785 views • 54 slides

Signal Detection Theory

Signal Detection Theory. I. Challenges in Measuring Perception II. Introduction to Signal Detection Theory III. Applications of Signal Detection Theory. Part 1. Challenges in Measuring Perception. Psychophysics. Psychophysics is the science of establishing quantitative relations

734 views • 42 slides

The Nervous System

440 views • 36 slides

Nervous Tissue

A. Nervous system divisions B. Functional anatomy of nervous tissue 1. Neuroglia a. Types of neuroglia b. Myelination 2. Neurons a. Parts of a neuron b. Classification of

1.03k views • 34 slides

Physiology of Nerve Transmission

Physiology of Nerve Transmission. How do neurons do their job?. NERVE IMPULSES. The function of a neuron is to transmit information from one part of the body to another. How does this happen?. NERVE IMPULSES.

364 views • 32 slides

Functional Organization of Nervous Tissue

Functional Organization of Nervous Tissue. The Nervous System. Components Brain, spinal cord, nerves, sensory receptors Responsible for Sensory perceptions, mental activities, stimulating muscle movements, secretions of many glands Subdivisions Central nervous system ( CNS )

711 views • 28 slides

Chapter 8 Muscular System

Chapter 8 Muscular System. 8.3 and 8.4. 8.3. Skeletal Muscle Contraction. Role of Myosin and Actin. Myosin Structure. Actin Structure. Myosin molecule = 2 twisted proteins with globular ends ( cross-bridges ) Many myosin molecules form a thick filament.

619 views • 26 slides

Potassium Voltage-Gated Channel

564 views • 26 slides

Action Potential and Properties of Nerves ? . ?? ???? ????

Action Potential and Properties of Nerves ? . ?? ???? ????. Objectives. At the end of this lecture the student should be able to:- Describe the voltage-gated sodium and potassium channels .

486 views • 24 slides

Action Potential and Properties of Nerves ? . ?? ???? ????

Action Potential and Properties of Nerves ? . ?? ???? ????. The Voltage-Gated Na+ Channel (1). H as 2 gates : one on the outer side of the membrane and is called the activation gate , and another one on the inner side of membrane called the inactivation gate .

367 views • 23 slides

The Motor Unit

Stimulation of a muscle by a nerve impulse is required before a muscle can shorten and produce movement. The Motor Unit. How the Nervous System works with the Muscular System to produce movement. Motor Unit Parts. Motor neuron A specialized nerve that transmits an impulse to a muscle

1.28k views • 9 slides

Sensation and Perception

Sensation and Perception. Sensation Perception. Bottom-up Processing Top-down Processing. Sensation. Psychophysics study of the relationship between the physical characteristics of stimuli and our psychological experience of them What intensity does a stimulus have to be to detect.

202 views • 9 slides