How does culture affect our behavior quizlet?

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How does culture affect our behavior quizlet?

How does culture affect our behavior quizlet?

How does culture affect our behavior? A culture is an enduring set of behaviors, ideas, attitudes, values, and traditions shared by a group and transmitted from one generation to the next. Cultural norms are understood rules that inform members of a culture about accepted and expected behaviors.

What is the synaptic gap?

n. The minute space between the cell membrane of an axon terminal and of the target cell with which it synapses. synaptic cleft.

What happens in the synaptic gap?

Neurons talk to each other across synapses. When an action potential reaches the presynaptic terminal, it causes neurotransmitter to be released from the neuron into the synaptic cleft, a 20–40nm gap between the presynaptic axon terminal and the postsynaptic dendrite (often a spine).

What is culture and how does it influence our Behaviour?

Our culture shapes the way we work and play, and it makes a difference in how we view ourselves and others. It affects our values—what we consider right and wrong. This is how the society we live in influences our choices. But our choices can also influence others and ultimately help shape our society.

What happens after repolarization?

After repolarization, the cell hyperpolarizes as it reaches resting membrane potential (−70 mV){in neuron −70 mV}.

What do dendrites do psychology?

Dendrites are the branch-like structures of neurons that extend from the cell body (Soma). The dendrites receive neural impulses (electrical and chemical signals) from the axons of other neurons. In this way information travels all around your body by going from neuron to neuron.

Which type of synapse is most common in the nervous system?

Axodendritic synapses

Do larger neurons expend more energy at rest?

Greater channel numbers allow more ions to flow across the membrane during an action potential. Thus, action potentials in large compartments or those with higher channel densities consume more energy because the Na+/K+ pumps must do more work to restore the ion gradients.

How does a neuron transmit information?

Neurons have a membrane featuring an axon and dendrites, specialized structures designed to transmit and receive information. Neurons release chemicals known as neurotransmitters into synapses, or the connections between cells, to communicate with other neurons.

Which factor is a social cultural influence in the biopsychosocial model of personality?

the biopsychosocial approach considers all the factors that influence our individual development: biological factors (including evolution, genes, hormones, and brains), psychological factors (including our experiences, beliefs, feelings, and expectations), and social-cultural factors (including parental and peer …

What is more likely to promote an action potential?

A small, local depolarization called an EPSP moves the membrane potential closer to threshold. If threshold is reached, an action potential is triggered. Thus, an EPSP is more likely to promote an action potential while an IPSP is less likely to promote an action potential.

Can dendrites heal?

Although axons and the peripheral nervous system in the developing brain can regenerate, they cannot in the adult brain. This is partly because of factors produced by cells in the brain that inhibit this regeneration. Dendrites, however, will develop from intact axons, as part of the neuroplasticity process.

Which branch of the nervous system calms a person?

The autonomic nervous system is made of two components, which work in opposition to one another: the sympathetic nervous system, responsible for the body’s “fight-or-flight” response to danger, and the parasympathetic nervous system, which calms the body back down.

What do dendrites do?

Dendrite – The receiving part of the neuron. Dendrites receive synaptic inputs from axons, with the sum total of dendritic inputs determining whether the neuron will fire an action potential. Spine – The small protrusions found on dendrites that are, for many synapses, the postsynaptic contact site.

Do axons generate action potentials?

Generation of Action Potentials An action potential begins at the axon hillock as a result of depolarisation. During depolarisation voltage-gated sodium ion channels open due to an electrical stimulus.

Why do action potentials not occur on dendrites?

most dendrites are stimulated by chemical transmission rather than electrical currents, and since an action potential is electrical, dendrites can not carry one.

How many dendrites are in the brain?

Each neuron has 128 basal dendritic segments, and each dendritic segment has up to 40 actual synapses.

What neurotransmitter inhibits CNS activity in order to calm a person down during stressful situations?


How do neurotransmitters influence behavior?

Nerve cells communicate messages by secreting neurotransmitters. Neurotransmitters can excite or inhibit neurons (nerve cells). Each neurotransmitter can directly or indirectly influence neurons in a specific portion of the brain, thereby affecting behavior.

How do dendrites receive information?

Dendrites extend out from the cell body and receive messages from other nerve cells. An axon is a long single fiber that transmits messages from the cell body to the dendrites of other neurons or to other body tissues, such as muscles. A protective covering called the myelin sheath, covers most neurons.

What happens if dendrites are damaged?

They found that events within the neuron itself drive the resulting dendrite spine loss and hyper-excitability. Signals originating at the site of injury move rapidly back along the remaining portion of the axon to the neuronal soma and nucleus, triggering a new pattern of gene activity.

Can dendrites regenerate when damaged?

These findings demonstrate that dendrites, the component of nerve cells that receive information from the brain, have the capacity to regrow after an injury. Instead, they regrow the dendrites completely and much more quickly than they regrow axons.

Which neurotransmitter is released in response to stress and trauma?

What Are Catecholamines? Catecholamines include neurotransmitters such as dopamine, epinephrine (adrenaline) and norepinephrine (noradrenaline), which are released during the body’s stress response.

What is the major role of the Na +- K+ pump in maintaining the resting membrane potential?

What is the major role of the Na+-K+ pump in maintaining the resting membrane potential? K+ ions can diffuse across the membrane more easily than Na+ ions. Imagine you changed the concentration of K+ outside a neuron such that the resting membrane potential changed to -80 mV (from the normal resting value of -70 mV).

How does culture influence ethical behavior?

Culture reflects the moral and ethical beliefs and standards that speak to how people should behave and interact with others. They act as prescriptions for correct and moral behavior, lend meaning and coherence to life, and provide a means of achieving a sense of integrity, safety, and belonging.

Do dendrites have action potentials?

Dendrites are branched extensions of a neuron. They receive electrical signals emitted from projecting neurons and transfer these signals to the cell body, or soma. Dendrites contain voltage-gated ion channels giving them the ability to generate action potentials.

What are the 5 main parts of a neuron?

The structure of a neuron: The above image shows the basic structural components of an average neuron, including the dendrite, cell body, nucleus, Node of Ranvier, myelin sheath, Schwann cell, and axon terminal.

What will change the equilibrium potential for Na+?

The concentration of Na+ ion is higher outside the cell while it is lower inside the cell while the concentration of K+ ion is higher on the inner side of the cell as compared to the outer side of the cell. The ion gate is responsible for maintain this equilibrium.

What causes a resting potential to develop in a neuron?

This voltage is called the resting membrane potential and is caused by differences in the concentrations of ions inside and outside the cell. A nerve impulse causes Na+ to enter the cell, resulting in (b) depolarization. At the peak action potential, K+ channels open and the cell becomes (c) hyperpolarized.