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Motivation

Lecture 5

Chapter 11

Introduction to motivation

* Motivation: need or desire that

* Energizes behavior

* Directs behavior

* Most behavior results from multiple goals

* Physiological

* Psychological

* Maslow: Some needs more important than others; it is a hierarchy

* We must satify basic survival need first, then can move to growth needs

Homeostatic Control Process

* Most of motivation is dedicated to maintaining bodily equilibrium

* Homeostatic control process

* Self regulating process by which we maintain stability

* One example:

Thermoregulation

- Temperature regulation

- Basic motive

* If too cold or too hot

* Must warm up or cool down

* Warm blooded

* maintain a steady body temperature

* Basic Model

* Our physiological states have set points(desired states)

* Body temperature

* 98.6 • Heartbeats

* 60-100 • Your weight range

* When we deviate from the set point our body is sent into to action

* Upper vs. Lower boundary

* The body gets sent into motion by the hypothalamus (for many of these process)

* Hypothalamus works like a thermostat

* When your body moves away from the set point it “turns on” to move back to the set point

– Negative feedback system

* Turning on includes activating neurons, secreting hormones, and initiating or inhibiting behavior

Hunger

* Genera “thermostat model” still applies

* But more complex

* Set point for hunger and weight not as rigid as temperature

* Affected by more cues

* Affected by basal metabolism- energy burned at rest

* Internal Cues:

* Stomach shrinks - response to hormones

* Glucose drops

* Glucose

* The form of sugar that circulates in the blood

* Provides the major source of energy for body tissues

* When its level is low, we feel hunger

* External Cues:

* Lat remembered meal

* Time

* Sun

* Another way our...